Home / 9,165,921.59-12,648,768.41-4,979,498.31

Finding the Fourth Proportional to 9,165,921.59, 12,648,768.41 and 4,979,498.31

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Solution

The fourth proportional to 9,165,921.59, 12,648,768.41 and 4,979,498.31 is: 6,871,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165,921.59 : 12,648,768.41 = 4,979,498.31 : x
  2. Step 2: Convert to fraction form
    9,165,921.59/12,648,768.41 = 4,979,498.31/x
  3. Step 3: Cross multiply
    9,165,921.59x = 12,648,768.41 × 4,979,498.31
  4. Step 4: Simplify right side
    9,165,921.59x = 62,984,520,896,278.89
  5. Step 5: Solve for x
    x = 62,984,520,896,278.89/9,165,921.59
  6. Step 6: Final answer
    x = 6,871,597.18

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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.