Home / 21,100,765.86-31,646,719.98-5,951,154.42

Finding the Fourth Proportional to 21,100,765.86, 31,646,719.98 and 5,951,154.42

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Solution

The fourth proportional to 21,100,765.86, 31,646,719.98 and 5,951,154.42 is: 8,925,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,100,765.86 : 31,646,719.98 = 5,951,154.42 : x
  2. Step 2: Convert to fraction form
    21,100,765.86/31,646,719.98 = 5,951,154.42/x
  3. Step 3: Cross multiply
    21,100,765.86x = 31,646,719.98 × 5,951,154.42
  4. Step 4: Simplify right side
    21,100,765.86x = 188,334,517,487,479.31
  5. Step 5: Solve for x
    x = 188,334,517,487,479.31/21,100,765.86
  6. Step 6: Final answer
    x = 8,925,482.55

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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.