Home / 28,689,677.28-39,591,769.41-16,299,792.27

Finding the Fourth Proportional to 28,689,677.28, 39,591,769.41 and 16,299,792.27

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Solution

The fourth proportional to 28,689,677.28, 39,591,769.41 and 16,299,792.27 is: 22,493,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689,677.28 : 39,591,769.41 = 16,299,792.27 : x
  2. Step 2: Convert to fraction form
    28,689,677.28/39,591,769.41 = 16,299,792.27/x
  3. Step 3: Cross multiply
    28,689,677.28x = 39,591,769.41 × 16,299,792.27
  4. Step 4: Simplify right side
    28,689,677.28x = 645,337,616,984,740.38
  5. Step 5: Solve for x
    x = 645,337,616,984,740.38/28,689,677.28
  6. Step 6: Final answer
    x = 22,493,721.72

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1.5x scale

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.