Home / 8,979,423.20-13,471,103.10-2,913,122.60

Finding the Fourth Proportional to 8,979,423.20, 13,471,103.10 and 2,913,122.60

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Solution

The fourth proportional to 8,979,423.20, 13,471,103.10 and 2,913,122.60 is: 4,370,322.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,423.20 : 13,471,103.10 = 2,913,122.60 : x
  2. Step 2: Convert to fraction form
    8,979,423.20/13,471,103.10 = 2,913,122.60/x
  3. Step 3: Cross multiply
    8,979,423.20x = 13,471,103.10 × 2,913,122.60
  4. Step 4: Simplify right side
    8,979,423.20x = 39,242,974,887,540.06
  5. Step 5: Solve for x
    x = 39,242,974,887,540.06/8,979,423.20
  6. Step 6: Final answer
    x = 4,370,322.46

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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.