Home / 6,438,585.20-9,657,877.80-5,399,322.80

Finding the Fourth Proportional to 6,438,585.20, 9,657,877.80 and 5,399,322.80

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Solution

The fourth proportional to 6,438,585.20, 9,657,877.80 and 5,399,322.80 is: 8,098,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,585.20 : 9,657,877.80 = 5,399,322.80 : x
  2. Step 2: Convert to fraction form
    6,438,585.20/9,657,877.80 = 5,399,322.80/x
  3. Step 3: Cross multiply
    6,438,585.20x = 9,657,877.80 × 5,399,322.80
  4. Step 4: Simplify right side
    6,438,585.20x = 52,145,999,805,153.84
  5. Step 5: Solve for x
    x = 52,145,999,805,153.84/6,438,585.20
  6. Step 6: Final answer
    x = 8,098,984.20

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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.