Home / 13,888,909.70-20,833,366.95-5,797,471.30

Finding the Fourth Proportional to 13,888,909.70, 20,833,366.95 and 5,797,471.30

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Solution

The fourth proportional to 13,888,909.70, 20,833,366.95 and 5,797,471.30 is: 8,696,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888,909.70 : 20,833,366.95 = 5,797,471.30 : x
  2. Step 2: Convert to fraction form
    13,888,909.70/20,833,366.95 = 5,797,471.30/x
  3. Step 3: Cross multiply
    13,888,909.70x = 20,833,366.95 × 5,797,471.30
  4. Step 4: Simplify right side
    13,888,909.70x = 120,780,846,974,993.53
  5. Step 5: Solve for x
    x = 120,780,846,974,993.53/13,888,909.70
  6. Step 6: Final answer
    x = 8,696,207.95

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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.