Home / 6,652,966.40-9,979,449.60-6,391,692.80

Finding the Fourth Proportional to 6,652,966.40, 9,979,449.60 and 6,391,692.80

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Solution

The fourth proportional to 6,652,966.40, 9,979,449.60 and 6,391,692.80 is: 9,587,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652,966.40 : 9,979,449.60 = 6,391,692.80 : x
  2. Step 2: Convert to fraction form
    6,652,966.40/9,979,449.60 = 6,391,692.80/x
  3. Step 3: Cross multiply
    6,652,966.40x = 9,979,449.60 × 6,391,692.80
  4. Step 4: Simplify right side
    6,652,966.40x = 63,785,576,156,282.88
  5. Step 5: Solve for x
    x = 63,785,576,156,282.88/6,652,966.40
  6. Step 6: Final answer
    x = 9,587,539.20

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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.