Home / 11,497,678.40-17,246,517.60-9,787,881.80

Finding the Fourth Proportional to 11,497,678.40, 17,246,517.60 and 9,787,881.80

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Solution

The fourth proportional to 11,497,678.40, 17,246,517.60 and 9,787,881.80 is: 14,681,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,497,678.40 : 17,246,517.60 = 9,787,881.80 : x
  2. Step 2: Convert to fraction form
    11,497,678.40/17,246,517.60 = 9,787,881.80/x
  3. Step 3: Cross multiply
    11,497,678.40x = 17,246,517.60 × 9,787,881.80
  4. Step 4: Simplify right side
    11,497,678.40x = 168,806,875,730,419.72
  5. Step 5: Solve for x
    x = 168,806,875,730,419.72/11,497,678.40
  6. Step 6: Final answer
    x = 14,681,822.70

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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.