Home / 28,286,124.60-42,401,193.30-13,897,414.20

Finding the Fourth Proportional to 28,286,124.60, 42,401,193.30 and 13,897,414.20

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Solution

The fourth proportional to 28,286,124.60, 42,401,193.30 and 13,897,414.20 is: 20,832,367.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,286,124.60 : 42,401,193.30 = 13,897,414.20 : x
  2. Step 2: Convert to fraction form
    28,286,124.60/42,401,193.30 = 13,897,414.20/x
  3. Step 3: Cross multiply
    28,286,124.60x = 42,401,193.30 × 13,897,414.20
  4. Step 4: Simplify right side
    28,286,124.60x = 589,266,945,864,364.75
  5. Step 5: Solve for x
    x = 589,266,945,864,364.75/28,286,124.60
  6. Step 6: Final answer
    x = 20,832,367.61

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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.