Home / 14,488,828.40-21,708,359.40-7,655,279.60

Finding the Fourth Proportional to 14,488,828.40, 21,708,359.40 and 7,655,279.60

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Solution

The fourth proportional to 14,488,828.40, 21,708,359.40 and 7,655,279.60 is: 11,469,772.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488,828.40 : 21,708,359.40 = 7,655,279.60 : x
  2. Step 2: Convert to fraction form
    14,488,828.40/21,708,359.40 = 7,655,279.60/x
  3. Step 3: Cross multiply
    14,488,828.40x = 21,708,359.40 × 7,655,279.60
  4. Step 4: Simplify right side
    14,488,828.40x = 166,183,560,864,288.22
  5. Step 5: Solve for x
    x = 166,183,560,864,288.22/14,488,828.40
  6. Step 6: Final answer
    x = 11,469,772.18

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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.