Home / 28,487,311.64-42,731,020.92-6,921,931.56

Finding the Fourth Proportional to 28,487,311.64, 42,731,020.92 and 6,921,931.56

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Solution

The fourth proportional to 28,487,311.64, 42,731,020.92 and 6,921,931.56 is: 10,382,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,487,311.64 : 42,731,020.92 = 6,921,931.56 : x
  2. Step 2: Convert to fraction form
    28,487,311.64/42,731,020.92 = 6,921,931.56/x
  3. Step 3: Cross multiply
    28,487,311.64x = 42,731,020.92 × 6,921,931.56
  4. Step 4: Simplify right side
    28,487,311.64x = 295,781,202,297,168.25
  5. Step 5: Solve for x
    x = 295,781,202,297,168.25/28,487,311.64
  6. Step 6: Final answer
    x = 10,382,910.33

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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.