Home / 28,689,626.28-39,591,698.91-16,299,741.15

Finding the Fourth Proportional to 28,689,626.28, 39,591,698.91 and 16,299,741.15

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Solution

The fourth proportional to 28,689,626.28, 39,591,698.91 and 16,299,741.15 is: 22,493,651.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689,626.28 : 39,591,698.91 = 16,299,741.15 : x
  2. Step 2: Convert to fraction form
    28,689,626.28/39,591,698.91 = 16,299,741.15/x
  3. Step 3: Cross multiply
    28,689,626.28x = 39,591,698.91 × 16,299,741.15
  4. Step 4: Simplify right side
    28,689,626.28x = 645,334,443,921,737.12
  5. Step 5: Solve for x
    x = 645,334,443,921,737.12/28,689,626.28
  6. Step 6: Final answer
    x = 22,493,651.11

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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.