Home / 7,399,417.90-11,090,832.45-3,138,861.10

Finding the Fourth Proportional to 7,399,417.90, 11,090,832.45 and 3,138,861.10

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Solution

The fourth proportional to 7,399,417.90, 11,090,832.45 and 3,138,861.10 is: 4,704,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399,417.90 : 11,090,832.45 = 3,138,861.10 : x
  2. Step 2: Convert to fraction form
    7,399,417.90/11,090,832.45 = 3,138,861.10/x
  3. Step 3: Cross multiply
    7,399,417.90x = 11,090,832.45 × 3,138,861.10
  4. Step 4: Simplify right side
    7,399,417.90x = 34,812,582,543,922.70
  5. Step 5: Solve for x
    x = 34,812,582,543,922.70/7,399,417.90
  6. Step 6: Final answer
    x = 4,704,773.13

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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.