Home / 39,186,727.12-54,078,332.16-21,546,376.48

Finding the Fourth Proportional to 39,186,727.12, 54,078,332.16 and 21,546,376.48

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Solution

The fourth proportional to 39,186,727.12, 54,078,332.16 and 21,546,376.48 is: 29,734,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,186,727.12 : 54,078,332.16 = 21,546,376.48 : x
  2. Step 2: Convert to fraction form
    39,186,727.12/54,078,332.16 = 21,546,376.48/x
  3. Step 3: Cross multiply
    39,186,727.12x = 54,078,332.16 × 21,546,376.48
  4. Step 4: Simplify right side
    39,186,727.12x = 1,165,192,104,129,851.50
  5. Step 5: Solve for x
    x = 1,165,192,104,129,851.50/39,186,727.12
  6. Step 6: Final answer
    x = 29,734,356.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.