Home / 10,992,387.20-16,488,580.80-9,228,790.40

Finding the Fourth Proportional to 10,992,387.20, 16,488,580.80 and 9,228,790.40

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Solution

The fourth proportional to 10,992,387.20, 16,488,580.80 and 9,228,790.40 is: 13,843,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,387.20 : 16,488,580.80 = 9,228,790.40 : x
  2. Step 2: Convert to fraction form
    10,992,387.20/16,488,580.80 = 9,228,790.40/x
  3. Step 3: Cross multiply
    10,992,387.20x = 16,488,580.80 × 9,228,790.40
  4. Step 4: Simplify right side
    10,992,387.20x = 152,169,656,196,664.34
  5. Step 5: Solve for x
    x = 152,169,656,196,664.34/10,992,387.20
  6. Step 6: Final answer
    x = 13,843,185.60

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Similar ratio
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1.5x scale

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.