Home / 38,730,167.22-53,447,980.23-21,327,129.30

Finding the Fourth Proportional to 38,730,167.22, 53,447,980.23 and 21,327,129.30

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Solution

The fourth proportional to 38,730,167.22, 53,447,980.23 and 21,327,129.30 is: 29,431,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,730,167.22 : 53,447,980.23 = 21,327,129.30 : x
  2. Step 2: Convert to fraction form
    38,730,167.22/53,447,980.23 = 21,327,129.30/x
  3. Step 3: Cross multiply
    38,730,167.22x = 53,447,980.23 × 21,327,129.30
  4. Step 4: Simplify right side
    38,730,167.22x = 1,139,891,985,189,053.75
  5. Step 5: Solve for x
    x = 1,139,891,985,189,053.75/38,730,167.22
  6. Step 6: Final answer
    x = 29,431,630.87

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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.