Home / 9,112,878.81-13,662,569.30-5,517,800.73

Finding the Fourth Proportional to 9,112,878.81, 13,662,569.30 and 5,517,800.73

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Solution

The fourth proportional to 9,112,878.81, 13,662,569.30 and 5,517,800.73 is: 8,272,614.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112,878.81 : 13,662,569.30 = 5,517,800.73 : x
  2. Step 2: Convert to fraction form
    9,112,878.81/13,662,569.30 = 5,517,800.73/x
  3. Step 3: Cross multiply
    9,112,878.81x = 13,662,569.30 × 5,517,800.73
  4. Step 4: Simplify right side
    9,112,878.81x = 75,387,334,829,626.59
  5. Step 5: Solve for x
    x = 75,387,334,829,626.59/9,112,878.81
  6. Step 6: Final answer
    x = 8,272,614.66

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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.