Home / 31,195,473.46-43,035,246.45-20,185,777.15

Finding the Fourth Proportional to 31,195,473.46, 43,035,246.45 and 20,185,777.15

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Solution

The fourth proportional to 31,195,473.46, 43,035,246.45 and 20,185,777.15 is: 27,846,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,195,473.46 : 43,035,246.45 = 20,185,777.15 : x
  2. Step 2: Convert to fraction form
    31,195,473.46/43,035,246.45 = 20,185,777.15/x
  3. Step 3: Cross multiply
    31,195,473.46x = 43,035,246.45 × 20,185,777.15
  4. Step 4: Simplify right side
    31,195,473.46x = 868,699,894,327,440.62
  5. Step 5: Solve for x
    x = 868,699,894,327,440.62/31,195,473.46
  6. Step 6: Final answer
    x = 27,846,985.41

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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.