Home / 14,990,734.32-20,687,208.72-8,115,211.44

Finding the Fourth Proportional to 14,990,734.32, 20,687,208.72 and 8,115,211.44

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Solution

The fourth proportional to 14,990,734.32, 20,687,208.72 and 8,115,211.44 is: 11,198,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990,734.32 : 20,687,208.72 = 8,115,211.44 : x
  2. Step 2: Convert to fraction form
    14,990,734.32/20,687,208.72 = 8,115,211.44/x
  3. Step 3: Cross multiply
    14,990,734.32x = 20,687,208.72 × 8,115,211.44
  4. Step 4: Simplify right side
    14,990,734.32x = 167,881,072,866,211.75
  5. Step 5: Solve for x
    x = 167,881,072,866,211.75/14,990,734.32
  6. Step 6: Final answer
    x = 11,198,989.27

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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.