Home / 8,909,917.30-13,349,129.55-8,343,046.90

Finding the Fourth Proportional to 8,909,917.30, 13,349,129.55 and 8,343,046.90

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Solution

The fourth proportional to 8,909,917.30, 13,349,129.55 and 8,343,046.90 is: 12,499,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909,917.30 : 13,349,129.55 = 8,343,046.90 : x
  2. Step 2: Convert to fraction form
    8,909,917.30/13,349,129.55 = 8,343,046.90/x
  3. Step 3: Cross multiply
    8,909,917.30x = 13,349,129.55 × 8,343,046.90
  4. Step 4: Simplify right side
    8,909,917.30x = 111,372,413,909,825.91
  5. Step 5: Solve for x
    x = 111,372,413,909,825.91/8,909,917.30
  6. Step 6: Final answer
    x = 12,499,825.77

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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.