Home / 40,201,589.50-60,272,985-12,892,337.20

Finding the Fourth Proportional to 40,201,589.50, 60,272,985 and 12,892,337.20

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Solution

The fourth proportional to 40,201,589.50, 60,272,985 and 12,892,337.20 is: 19,329,077.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,201,589.50 : 60,272,985 = 12,892,337.20 : x
  2. Step 2: Convert to fraction form
    40,201,589.50/60,272,985 = 12,892,337.20/x
  3. Step 3: Cross multiply
    40,201,589.50x = 60,272,985 × 12,892,337.20
  4. Step 4: Simplify right side
    40,201,589.50x = 777,059,646,670,542
  5. Step 5: Solve for x
    x = 777,059,646,670,542/40,201,589.50
  6. Step 6: Final answer
    x = 19,329,077.69

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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.