Home / 8,316,285.60-12,474,428.40-5,125,015.20

Finding the Fourth Proportional to 8,316,285.60, 12,474,428.40 and 5,125,015.20

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Solution

The fourth proportional to 8,316,285.60, 12,474,428.40 and 5,125,015.20 is: 7,687,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,285.60 : 12,474,428.40 = 5,125,015.20 : x
  2. Step 2: Convert to fraction form
    8,316,285.60/12,474,428.40 = 5,125,015.20/x
  3. Step 3: Cross multiply
    8,316,285.60x = 12,474,428.40 × 5,125,015.20
  4. Step 4: Simplify right side
    8,316,285.60x = 63,931,635,161,311.69
  5. Step 5: Solve for x
    x = 63,931,635,161,311.69/8,316,285.60
  6. Step 6: Final answer
    x = 7,687,522.80

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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.