Home / 13,784,115.27-20,676,166.38-5,265,312.87

Finding the Fourth Proportional to 13,784,115.27, 20,676,166.38 and 5,265,312.87

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Solution

The fourth proportional to 13,784,115.27, 20,676,166.38 and 5,265,312.87 is: 7,897,966.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784,115.27 : 20,676,166.38 = 5,265,312.87 : x
  2. Step 2: Convert to fraction form
    13,784,115.27/20,676,166.38 = 5,265,312.87/x
  3. Step 3: Cross multiply
    13,784,115.27x = 20,676,166.38 × 5,265,312.87
  4. Step 4: Simplify right side
    13,784,115.27x = 108,866,484,942,875.31
  5. Step 5: Solve for x
    x = 108,866,484,942,875.31/13,784,115.27
  6. Step 6: Final answer
    x = 7,897,966.81

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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.