Home / 31,103,998.20-46,655,997.30-28,640,561.40

Finding the Fourth Proportional to 31,103,998.20, 46,655,997.30 and 28,640,561.40

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Solution

The fourth proportional to 31,103,998.20, 46,655,997.30 and 28,640,561.40 is: 42,960,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,103,998.20 : 46,655,997.30 = 28,640,561.40 : x
  2. Step 2: Convert to fraction form
    31,103,998.20/46,655,997.30 = 28,640,561.40/x
  3. Step 3: Cross multiply
    31,103,998.20x = 46,655,997.30 × 28,640,561.40
  4. Step 4: Simplify right side
    31,103,998.20x = 1,336,253,955,348,884
  5. Step 5: Solve for x
    x = 1,336,253,955,348,884/31,103,998.20
  6. Step 6: Final answer
    x = 42,960,842.10

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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.