Home / 8,979,126.47-12,391,194.08-4,849,157.25

Finding the Fourth Proportional to 8,979,126.47, 12,391,194.08 and 4,849,157.25

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Solution

The fourth proportional to 8,979,126.47, 12,391,194.08 and 4,849,157.25 is: 6,691,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,126.47 : 12,391,194.08 = 4,849,157.25 : x
  2. Step 2: Convert to fraction form
    8,979,126.47/12,391,194.08 = 4,849,157.25/x
  3. Step 3: Cross multiply
    8,979,126.47x = 12,391,194.08 × 4,849,157.25
  4. Step 4: Simplify right side
    8,979,126.47x = 60,086,848,584,943.29
  5. Step 5: Solve for x
    x = 60,086,848,584,943.29/8,979,126.47
  6. Step 6: Final answer
    x = 6,691,836.76

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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.