Home / 10,502,452.60-15,753,678.90-8,376,688.60

Finding the Fourth Proportional to 10,502,452.60, 15,753,678.90 and 8,376,688.60

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Solution

The fourth proportional to 10,502,452.60, 15,753,678.90 and 8,376,688.60 is: 12,565,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,452.60 : 15,753,678.90 = 8,376,688.60 : x
  2. Step 2: Convert to fraction form
    10,502,452.60/15,753,678.90 = 8,376,688.60/x
  3. Step 3: Cross multiply
    10,502,452.60x = 15,753,678.90 × 8,376,688.60
  4. Step 4: Simplify right side
    10,502,452.60x = 131,963,662,449,690.53
  5. Step 5: Solve for x
    x = 131,963,662,449,690.53/10,502,452.60
  6. Step 6: Final answer
    x = 12,565,032.90

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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.