Home / 10,120,920.32-15,181,381.04-2,932,458.96

Finding the Fourth Proportional to 10,120,920.32, 15,181,381.04 and 2,932,458.96

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Solution

The fourth proportional to 10,120,920.32, 15,181,381.04 and 2,932,458.96 is: 4,398,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,920.32 : 15,181,381.04 = 2,932,458.96 : x
  2. Step 2: Convert to fraction form
    10,120,920.32/15,181,381.04 = 2,932,458.96/x
  3. Step 3: Cross multiply
    10,120,920.32x = 15,181,381.04 × 2,932,458.96
  4. Step 4: Simplify right side
    10,120,920.32x = 44,518,776,855,922.12
  5. Step 5: Solve for x
    x = 44,518,776,855,922.12/10,120,920.32
  6. Step 6: Final answer
    x = 4,398,688.60

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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.