Home / 31,482,151.60-47,195,233.80-18,689,076.40

Finding the Fourth Proportional to 31,482,151.60, 47,195,233.80 and 18,689,076.40

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Solution

The fourth proportional to 31,482,151.60, 47,195,233.80 and 18,689,076.40 is: 28,016,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482,151.60 : 47,195,233.80 = 18,689,076.40 : x
  2. Step 2: Convert to fraction form
    31,482,151.60/47,195,233.80 = 18,689,076.40/x
  3. Step 3: Cross multiply
    31,482,151.60x = 47,195,233.80 × 18,689,076.40
  4. Step 4: Simplify right side
    31,482,151.60x = 882,035,330,204,062.25
  5. Step 5: Solve for x
    x = 882,035,330,204,062.25/31,482,151.60
  6. Step 6: Final answer
    x = 28,016,996.47

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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.