Home / 8,711,943.71-12,034,776.33-6,981,110.89

Finding the Fourth Proportional to 8,711,943.71, 12,034,776.33 and 6,981,110.89

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Solution

The fourth proportional to 8,711,943.71, 12,034,776.33 and 6,981,110.89 is: 9,643,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711,943.71 : 12,034,776.33 = 6,981,110.89 : x
  2. Step 2: Convert to fraction form
    8,711,943.71/12,034,776.33 = 6,981,110.89/x
  3. Step 3: Cross multiply
    8,711,943.71x = 12,034,776.33 × 6,981,110.89
  4. Step 4: Simplify right side
    8,711,943.71x = 84,016,108,065,990.30
  5. Step 5: Solve for x
    x = 84,016,108,065,990.30/8,711,943.71
  6. Step 6: Final answer
    x = 9,643,784.55

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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.