Home / 12,160,556.40-16,781,308.92-6,653,909.12

Finding the Fourth Proportional to 12,160,556.40, 16,781,308.92 and 6,653,909.12

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Solution

The fourth proportional to 12,160,556.40, 16,781,308.92 and 6,653,909.12 is: 9,182,252.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160,556.40 : 16,781,308.92 = 6,653,909.12 : x
  2. Step 2: Convert to fraction form
    12,160,556.40/16,781,308.92 = 6,653,909.12/x
  3. Step 3: Cross multiply
    12,160,556.40x = 16,781,308.92 × 6,653,909.12
  4. Step 4: Simplify right side
    12,160,556.40x = 111,661,304,468,325.36
  5. Step 5: Solve for x
    x = 111,661,304,468,325.36/12,160,556.40
  6. Step 6: Final answer
    x = 9,182,252.92

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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.