Home / 14,488,974.40-21,708,578.40-7,655,425.60

Finding the Fourth Proportional to 14,488,974.40, 21,708,578.40 and 7,655,425.60

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Solution

The fourth proportional to 14,488,974.40, 21,708,578.40 and 7,655,425.60 is: 11,469,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488,974.40 : 21,708,578.40 = 7,655,425.60 : x
  2. Step 2: Convert to fraction form
    14,488,974.40/21,708,578.40 = 7,655,425.60/x
  3. Step 3: Cross multiply
    14,488,974.40x = 21,708,578.40 × 7,655,425.60
  4. Step 4: Simplify right side
    14,488,974.40x = 166,188,406,822,967.03
  5. Step 5: Solve for x
    x = 166,188,406,822,967.03/14,488,974.40
  6. Step 6: Final answer
    x = 11,469,991.06

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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.