Home / 8,647,718.40-12,960,691.20-4,389,062.40

Finding the Fourth Proportional to 8,647,718.40, 12,960,691.20 and 4,389,062.40

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Solution

The fourth proportional to 8,647,718.40, 12,960,691.20 and 4,389,062.40 is: 6,578,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647,718.40 : 12,960,691.20 = 4,389,062.40 : x
  2. Step 2: Convert to fraction form
    8,647,718.40/12,960,691.20 = 4,389,062.40/x
  3. Step 3: Cross multiply
    8,647,718.40x = 12,960,691.20 × 4,389,062.40
  4. Step 4: Simplify right side
    8,647,718.40x = 56,885,282,423,930.88
  5. Step 5: Solve for x
    x = 56,885,282,423,930.88/8,647,718.40
  6. Step 6: Final answer
    x = 6,578,068.32

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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.