Home / 9,906,349.20-14,859,523.80-9,126,902.40

Finding the Fourth Proportional to 9,906,349.20, 14,859,523.80 and 9,126,902.40

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Solution

The fourth proportional to 9,906,349.20, 14,859,523.80 and 9,126,902.40 is: 13,690,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906,349.20 : 14,859,523.80 = 9,126,902.40 : x
  2. Step 2: Convert to fraction form
    9,906,349.20/14,859,523.80 = 9,126,902.40/x
  3. Step 3: Cross multiply
    9,906,349.20x = 14,859,523.80 × 9,126,902.40
  4. Step 4: Simplify right side
    9,906,349.20x = 135,621,423,433,077.12
  5. Step 5: Solve for x
    x = 135,621,423,433,077.12/9,906,349.20
  6. Step 6: Final answer
    x = 13,690,353.60

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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.