Home / 7,131,781.60-10,705,545.60-4,439,147.20

Finding the Fourth Proportional to 7,131,781.60, 10,705,545.60 and 4,439,147.20

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Solution

The fourth proportional to 7,131,781.60, 10,705,545.60 and 4,439,147.20 is: 6,663,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,781.60 : 10,705,545.60 = 4,439,147.20 : x
  2. Step 2: Convert to fraction form
    7,131,781.60/10,705,545.60 = 4,439,147.20/x
  3. Step 3: Cross multiply
    7,131,781.60x = 10,705,545.60 × 4,439,147.20
  4. Step 4: Simplify right side
    7,131,781.60x = 47,523,492,774,712.32
  5. Step 5: Solve for x
    x = 47,523,492,774,712.32/7,131,781.60
  6. Step 6: Final answer
    x = 6,663,621.44

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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.