Home / 10,992,347.20-16,488,520.80-9,982,609.30

Finding the Fourth Proportional to 10,992,347.20, 16,488,520.80 and 9,982,609.30

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Solution

The fourth proportional to 10,992,347.20, 16,488,520.80 and 9,982,609.30 is: 14,973,913.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,347.20 : 16,488,520.80 = 9,982,609.30 : x
  2. Step 2: Convert to fraction form
    10,992,347.20/16,488,520.80 = 9,982,609.30/x
  3. Step 3: Cross multiply
    10,992,347.20x = 16,488,520.80 × 9,982,609.30
  4. Step 4: Simplify right side
    10,992,347.20x = 164,598,461,081,323.47
  5. Step 5: Solve for x
    x = 164,598,461,081,323.47/10,992,347.20
  6. Step 6: Final answer
    x = 14,973,913.95

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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.