Home / 15,143,108.24-20,897,381.22-8,267,590.10

Finding the Fourth Proportional to 15,143,108.24, 20,897,381.22 and 8,267,590.10

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Solution

The fourth proportional to 15,143,108.24, 20,897,381.22 and 8,267,590.10 is: 11,409,215.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143,108.24 : 20,897,381.22 = 8,267,590.10 : x
  2. Step 2: Convert to fraction form
    15,143,108.24/20,897,381.22 = 8,267,590.10/x
  3. Step 3: Cross multiply
    15,143,108.24x = 20,897,381.22 × 8,267,590.10
  4. Step 4: Simplify right side
    15,143,108.24x = 172,770,982,090,397.91
  5. Step 5: Solve for x
    x = 172,770,982,090,397.91/15,143,108.24
  6. Step 6: Final answer
    x = 11,409,215.29

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1.5x scale

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.