Home / 15,997,956.76-22,070,898.46-9,291,147.66

Finding the Fourth Proportional to 15,997,956.76, 22,070,898.46 and 9,291,147.66

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Solution

The fourth proportional to 15,997,956.76, 22,070,898.46 and 9,291,147.66 is: 12,818,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997,956.76 : 22,070,898.46 = 9,291,147.66 : x
  2. Step 2: Convert to fraction form
    15,997,956.76/22,070,898.46 = 9,291,147.66/x
  3. Step 3: Cross multiply
    15,997,956.76x = 22,070,898.46 × 9,291,147.66
  4. Step 4: Simplify right side
    15,997,956.76x = 205,063,976,470,372.09
  5. Step 5: Solve for x
    x = 205,063,976,470,372.09/15,997,956.76
  6. Step 6: Final answer
    x = 12,818,135.44

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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.