Home / 40,720,464-56,194,585.92-22,385,347.20

Finding the Fourth Proportional to 40,720,464, 56,194,585.92 and 22,385,347.20

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Solution

The fourth proportional to 40,720,464, 56,194,585.92 and 22,385,347.20 is: 30,891,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,720,464 : 56,194,585.92 = 22,385,347.20 : x
  2. Step 2: Convert to fraction form
    40,720,464/56,194,585.92 = 22,385,347.20/x
  3. Step 3: Cross multiply
    40,720,464x = 56,194,585.92 × 22,385,347.20
  4. Step 4: Simplify right side
    40,720,464x = 1,257,935,316,579,431.50
  5. Step 5: Solve for x
    x = 1,257,935,316,579,431.50/40,720,464
  6. Step 6: Final answer
    x = 30,891,969.12

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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.