Home / 21,335,505.96-31,990,299.43-8,366,119.11

Finding the Fourth Proportional to 21,335,505.96, 31,990,299.43 and 8,366,119.11

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Solution

The fourth proportional to 21,335,505.96, 31,990,299.43 and 8,366,119.11 is: 12,544,096.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335,505.96 : 31,990,299.43 = 8,366,119.11 : x
  2. Step 2: Convert to fraction form
    21,335,505.96/31,990,299.43 = 8,366,119.11/x
  3. Step 3: Cross multiply
    21,335,505.96x = 31,990,299.43 × 8,366,119.11
  4. Step 4: Simplify right side
    21,335,505.96x = 267,634,655,370,719.16
  5. Step 5: Solve for x
    x = 267,634,655,370,719.16/21,335,505.96
  6. Step 6: Final answer
    x = 12,544,096.96

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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.