Home / 12,440,685.68-17,160,131.81-8,254,279.95

Finding the Fourth Proportional to 12,440,685.68, 17,160,131.81 and 8,254,279.95

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Solution

The fourth proportional to 12,440,685.68, 17,160,131.81 and 8,254,279.95 is: 11,385,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440,685.68 : 17,160,131.81 = 8,254,279.95 : x
  2. Step 2: Convert to fraction form
    12,440,685.68/17,160,131.81 = 8,254,279.95/x
  3. Step 3: Cross multiply
    12,440,685.68x = 17,160,131.81 × 8,254,279.95
  4. Step 4: Simplify right side
    12,440,685.68x = 141,644,531,897,368.81
  5. Step 5: Solve for x
    x = 141,644,531,897,368.81/12,440,685.68
  6. Step 6: Final answer
    x = 11,385,588.83

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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.