Home / 8,679,934.90-13,020,612.32-4,359,763.72

Finding the Fourth Proportional to 8,679,934.90, 13,020,612.32 and 4,359,763.72

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Solution

The fourth proportional to 8,679,934.90, 13,020,612.32 and 4,359,763.72 is: 6,540,002.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679,934.90 : 13,020,612.32 = 4,359,763.72 : x
  2. Step 2: Convert to fraction form
    8,679,934.90/13,020,612.32 = 4,359,763.72/x
  3. Step 3: Cross multiply
    8,679,934.90x = 13,020,612.32 × 4,359,763.72
  4. Step 4: Simplify right side
    8,679,934.90x = 56,766,793,204,921.03
  5. Step 5: Solve for x
    x = 56,766,793,204,921.03/8,679,934.90
  6. Step 6: Final answer
    x = 6,540,002.18

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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.