Home / 36,403,782.10-54,605,877.26-12,142,642.38

Finding the Fourth Proportional to 36,403,782.10, 54,605,877.26 and 12,142,642.38

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Solution

The fourth proportional to 36,403,782.10, 54,605,877.26 and 12,142,642.38 is: 18,214,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,403,782.10 : 54,605,877.26 = 12,142,642.38 : x
  2. Step 2: Convert to fraction form
    36,403,782.10/54,605,877.26 = 12,142,642.38/x
  3. Step 3: Cross multiply
    36,403,782.10x = 54,605,877.26 × 12,142,642.38
  4. Step 4: Simplify right side
    36,403,782.10x = 663,059,639,414,354.25
  5. Step 5: Solve for x
    x = 663,059,639,414,354.25/36,403,782.10
  6. Step 6: Final answer
    x = 18,214,031.65

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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.