Home / 8,536,428.60-12,813,974.10-5,345,158.20

Finding the Fourth Proportional to 8,536,428.60, 12,813,974.10 and 5,345,158.20

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Solution

The fourth proportional to 8,536,428.60, 12,813,974.10 and 5,345,158.20 is: 8,023,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536,428.60 : 12,813,974.10 = 5,345,158.20 : x
  2. Step 2: Convert to fraction form
    8,536,428.60/12,813,974.10 = 5,345,158.20/x
  3. Step 3: Cross multiply
    8,536,428.60x = 12,813,974.10 × 5,345,158.20
  4. Step 4: Simplify right side
    8,536,428.60x = 68,492,718,735,202.62
  5. Step 5: Solve for x
    x = 68,492,718,735,202.62/8,536,428.60
  6. Step 6: Final answer
    x = 8,023,580.11

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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.