Home / 39,988,062.08-59,975,966.78-12,690,816.55

Finding the Fourth Proportional to 39,988,062.08, 59,975,966.78 and 12,690,816.55

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Solution

The fourth proportional to 39,988,062.08, 59,975,966.78 and 12,690,816.55 is: 19,034,280.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,988,062.08 : 59,975,966.78 = 12,690,816.55 : x
  2. Step 2: Convert to fraction form
    39,988,062.08/59,975,966.78 = 12,690,816.55/x
  3. Step 3: Cross multiply
    39,988,062.08x = 59,975,966.78 × 12,690,816.55
  4. Step 4: Simplify right side
    39,988,062.08x = 761,143,991,719,456.50
  5. Step 5: Solve for x
    x = 761,143,991,719,456.50/39,988,062.08
  6. Step 6: Final answer
    x = 19,034,280.54

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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.