Home / 6,646,743.40-9,970,115.10-5,690,149.60

Finding the Fourth Proportional to 6,646,743.40, 9,970,115.10 and 5,690,149.60

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Solution

The fourth proportional to 6,646,743.40, 9,970,115.10 and 5,690,149.60 is: 8,535,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646,743.40 : 9,970,115.10 = 5,690,149.60 : x
  2. Step 2: Convert to fraction form
    6,646,743.40/9,970,115.10 = 5,690,149.60/x
  3. Step 3: Cross multiply
    6,646,743.40x = 9,970,115.10 × 5,690,149.60
  4. Step 4: Simplify right side
    6,646,743.40x = 56,731,446,448,218.95
  5. Step 5: Solve for x
    x = 56,731,446,448,218.95/6,646,743.40
  6. Step 6: Final answer
    x = 8,535,224.40

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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.