Home / 12,856,308.48-17,740,832.15-7,055,463.92

Finding the Fourth Proportional to 12,856,308.48, 17,740,832.15 and 7,055,463.92

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Solution

The fourth proportional to 12,856,308.48, 17,740,832.15 and 7,055,463.92 is: 9,736,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,308.48 : 17,740,832.15 = 7,055,463.92 : x
  2. Step 2: Convert to fraction form
    12,856,308.48/17,740,832.15 = 7,055,463.92/x
  3. Step 3: Cross multiply
    12,856,308.48x = 17,740,832.15 × 7,055,463.92
  4. Step 4: Simplify right side
    12,856,308.48x = 125,169,801,074,035.53
  5. Step 5: Solve for x
    x = 125,169,801,074,035.53/12,856,308.48
  6. Step 6: Final answer
    x = 9,736,060.80

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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.