Home / 10,920,002.40-16,380,003.60-8,794,238.40

Finding the Fourth Proportional to 10,920,002.40, 16,380,003.60 and 8,794,238.40

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Solution

The fourth proportional to 10,920,002.40, 16,380,003.60 and 8,794,238.40 is: 13,191,357.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920,002.40 : 16,380,003.60 = 8,794,238.40 : x
  2. Step 2: Convert to fraction form
    10,920,002.40/16,380,003.60 = 8,794,238.40/x
  3. Step 3: Cross multiply
    10,920,002.40x = 16,380,003.60 × 8,794,238.40
  4. Step 4: Simplify right side
    10,920,002.40x = 144,049,656,651,258.25
  5. Step 5: Solve for x
    x = 144,049,656,651,258.25/10,920,002.40
  6. Step 6: Final answer
    x = 13,191,357.60

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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.