Home / 12,402,442.80-18,603,664.20-8,983,505.70

Finding the Fourth Proportional to 12,402,442.80, 18,603,664.20 and 8,983,505.70

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Solution

The fourth proportional to 12,402,442.80, 18,603,664.20 and 8,983,505.70 is: 13,475,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402,442.80 : 18,603,664.20 = 8,983,505.70 : x
  2. Step 2: Convert to fraction form
    12,402,442.80/18,603,664.20 = 8,983,505.70/x
  3. Step 3: Cross multiply
    12,402,442.80x = 18,603,664.20 × 8,983,505.70
  4. Step 4: Simplify right side
    12,402,442.80x = 167,126,123,381,585.91
  5. Step 5: Solve for x
    x = 167,126,123,381,585.91/12,402,442.80
  6. Step 6: Final answer
    x = 13,475,258.55

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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.