Home / 8,785,333.60-13,178,000.40-8,449,410.40

Finding the Fourth Proportional to 8,785,333.60, 13,178,000.40 and 8,449,410.40

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Solution

The fourth proportional to 8,785,333.60, 13,178,000.40 and 8,449,410.40 is: 12,674,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785,333.60 : 13,178,000.40 = 8,449,410.40 : x
  2. Step 2: Convert to fraction form
    8,785,333.60/13,178,000.40 = 8,449,410.40/x
  3. Step 3: Cross multiply
    8,785,333.60x = 13,178,000.40 × 8,449,410.40
  4. Step 4: Simplify right side
    8,785,333.60x = 111,346,333,630,964.17
  5. Step 5: Solve for x
    x = 111,346,333,630,964.17/8,785,333.60
  6. Step 6: Final answer
    x = 12,674,115.60

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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.