Home / 6,777,681.60-9,356,767.20-4,198,123.20

Finding the Fourth Proportional to 6,777,681.60, 9,356,767.20 and 4,198,123.20

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Solution

The fourth proportional to 6,777,681.60, 9,356,767.20 and 4,198,123.20 is: 5,795,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,777,681.60 : 9,356,767.20 = 4,198,123.20 : x
  2. Step 2: Convert to fraction form
    6,777,681.60/9,356,767.20 = 4,198,123.20/x
  3. Step 3: Cross multiply
    6,777,681.60x = 9,356,767.20 × 4,198,123.20
  4. Step 4: Simplify right side
    6,777,681.60x = 39,280,861,459,319.04
  5. Step 5: Solve for x
    x = 39,280,861,459,319.04/6,777,681.60
  6. Step 6: Final answer
    x = 5,795,619.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.