Home / 39,885,128.07-59,805,253.49-12,586,334.33

Finding the Fourth Proportional to 39,885,128.07, 59,805,253.49 and 12,586,334.33

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Solution

The fourth proportional to 39,885,128.07, 59,805,253.49 and 12,586,334.33 is: 18,872,420.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,885,128.07 : 59,805,253.49 = 12,586,334.33 : x
  2. Step 2: Convert to fraction form
    39,885,128.07/59,805,253.49 = 12,586,334.33/x
  3. Step 3: Cross multiply
    39,885,128.07x = 59,805,253.49 × 12,586,334.33
  4. Step 4: Simplify right side
    39,885,128.07x = 752,728,914,753,581.38
  5. Step 5: Solve for x
    x = 752,728,914,753,581.38/39,885,128.07
  6. Step 6: Final answer
    x = 18,872,420.65

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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.