Home / 39,327,088.31-54,274,613.04-21,689,440.59

Finding the Fourth Proportional to 39,327,088.31, 54,274,613.04 and 21,689,440.59

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Solution

The fourth proportional to 39,327,088.31, 54,274,613.04 and 21,689,440.59 is: 29,933,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,327,088.31 : 54,274,613.04 = 21,689,440.59 : x
  2. Step 2: Convert to fraction form
    39,327,088.31/54,274,613.04 = 21,689,440.59/x
  3. Step 3: Cross multiply
    39,327,088.31x = 54,274,613.04 × 21,689,440.59
  4. Step 4: Simplify right side
    39,327,088.31x = 1,177,185,995,076,319.25
  5. Step 5: Solve for x
    x = 1,177,185,995,076,319.25/39,327,088.31
  6. Step 6: Final answer
    x = 29,933,210.05

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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.