Home / 31,969,447.74-44,121,878.55-20,965,455.18

Finding the Fourth Proportional to 31,969,447.74, 44,121,878.55 and 20,965,455.18

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Solution

The fourth proportional to 31,969,447.74, 44,121,878.55 and 20,965,455.18 is: 28,934,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,969,447.74 : 44,121,878.55 = 20,965,455.18 : x
  2. Step 2: Convert to fraction form
    31,969,447.74/44,121,878.55 = 20,965,455.18/x
  3. Step 3: Cross multiply
    31,969,447.74x = 44,121,878.55 × 20,965,455.18
  4. Step 4: Simplify right side
    31,969,447.74x = 925,035,267,197,428.38
  5. Step 5: Solve for x
    x = 925,035,267,197,428.38/31,969,447.74
  6. Step 6: Final answer
    x = 28,934,978.01

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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.