Home / 30,908,542.40-46,362,813.60-15,791,998.40

Finding the Fourth Proportional to 30,908,542.40, 46,362,813.60 and 15,791,998.40

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Solution

The fourth proportional to 30,908,542.40, 46,362,813.60 and 15,791,998.40 is: 23,687,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908,542.40 : 46,362,813.60 = 15,791,998.40 : x
  2. Step 2: Convert to fraction form
    30,908,542.40/46,362,813.60 = 15,791,998.40/x
  3. Step 3: Cross multiply
    30,908,542.40x = 46,362,813.60 × 15,791,998.40
  4. Step 4: Simplify right side
    30,908,542.40x = 732,161,478,190,698.25
  5. Step 5: Solve for x
    x = 732,161,478,190,698.25/30,908,542.40
  6. Step 6: Final answer
    x = 23,687,997.60

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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.