Home / 12,657,686.81-17,467,691.58-6,856,468.56

Finding the Fourth Proportional to 12,657,686.81, 17,467,691.58 and 6,856,468.56

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Solution

The fourth proportional to 12,657,686.81, 17,467,691.58 and 6,856,468.56 is: 9,461,972.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,657,686.81 : 17,467,691.58 = 6,856,468.56 : x
  2. Step 2: Convert to fraction form
    12,657,686.81/17,467,691.58 = 6,856,468.56/x
  3. Step 3: Cross multiply
    12,657,686.81x = 17,467,691.58 × 6,856,468.56
  4. Step 4: Simplify right side
    12,657,686.81x = 119,766,678,134,046.70
  5. Step 5: Solve for x
    x = 119,766,678,134,046.70/12,657,686.81
  6. Step 6: Final answer
    x = 9,461,972.00

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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.