Home / 12,604,290.90-18,915,767.55-8,343,042.90

Finding the Fourth Proportional to 12,604,290.90, 18,915,767.55 and 8,343,042.90

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Solution

The fourth proportional to 12,604,290.90, 18,915,767.55 and 8,343,042.90 is: 12,520,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604,290.90 : 18,915,767.55 = 8,343,042.90 : x
  2. Step 2: Convert to fraction form
    12,604,290.90/18,915,767.55 = 8,343,042.90/x
  3. Step 3: Cross multiply
    12,604,290.90x = 18,915,767.55 × 8,343,042.90
  4. Step 4: Simplify right side
    12,604,290.90x = 157,815,060,156,077.91
  5. Step 5: Solve for x
    x = 157,815,060,156,077.91/12,604,290.90
  6. Step 6: Final answer
    x = 12,520,740.87

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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.