Home / 31,103,998.40-46,655,997.60-28,978,234.40

Finding the Fourth Proportional to 31,103,998.40, 46,655,997.60 and 28,978,234.40

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Solution

The fourth proportional to 31,103,998.40, 46,655,997.60 and 28,978,234.40 is: 43,467,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,103,998.40 : 46,655,997.60 = 28,978,234.40 : x
  2. Step 2: Convert to fraction form
    31,103,998.40/46,655,997.60 = 28,978,234.40/x
  3. Step 3: Cross multiply
    31,103,998.40x = 46,655,997.60 × 28,978,234.40
  4. Step 4: Simplify right side
    31,103,998.40x = 1,352,008,434,618,637.50
  5. Step 5: Solve for x
    x = 1,352,008,434,618,637.50/31,103,998.40
  6. Step 6: Final answer
    x = 43,467,351.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.