Home / 7,776,755.40-11,661,633.90-2,982,851.40

Finding the Fourth Proportional to 7,776,755.40, 11,661,633.90 and 2,982,851.40

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Solution

The fourth proportional to 7,776,755.40, 11,661,633.90 and 2,982,851.40 is: 4,472,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,755.40 : 11,661,633.90 = 2,982,851.40 : x
  2. Step 2: Convert to fraction form
    7,776,755.40/11,661,633.90 = 2,982,851.40/x
  3. Step 3: Cross multiply
    7,776,755.40x = 11,661,633.90 × 2,982,851.40
  4. Step 4: Simplify right side
    7,776,755.40x = 34,784,921,004,902.46
  5. Step 5: Solve for x
    x = 34,784,921,004,902.46/7,776,755.40
  6. Step 6: Final answer
    x = 4,472,934.95

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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.