Home / 8,536,427.60-12,813,972.60-5,345,157.20

Finding the Fourth Proportional to 8,536,427.60, 12,813,972.60 and 5,345,157.20

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Solution

The fourth proportional to 8,536,427.60, 12,813,972.60 and 5,345,157.20 is: 8,023,578.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536,427.60 : 12,813,972.60 = 5,345,157.20 : x
  2. Step 2: Convert to fraction form
    8,536,427.60/12,813,972.60 = 5,345,157.20/x
  3. Step 3: Cross multiply
    8,536,427.60x = 12,813,972.60 × 5,345,157.20
  4. Step 4: Simplify right side
    8,536,427.60x = 68,492,697,903,492.72
  5. Step 5: Solve for x
    x = 68,492,697,903,492.72/8,536,427.60
  6. Step 6: Final answer
    x = 8,023,578.61

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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.