Home / 40,981,100.40-61,495,270.20-15,440,439.60

Finding the Fourth Proportional to 40,981,100.40, 61,495,270.20 and 15,440,439.60

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Solution

The fourth proportional to 40,981,100.40, 61,495,270.20 and 15,440,439.60 is: 23,169,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,981,100.40 : 61,495,270.20 = 15,440,439.60 : x
  2. Step 2: Convert to fraction form
    40,981,100.40/61,495,270.20 = 15,440,439.60/x
  3. Step 3: Cross multiply
    40,981,100.40x = 61,495,270.20 × 15,440,439.60
  4. Step 4: Simplify right side
    40,981,100.40x = 949,514,005,208,780
  5. Step 5: Solve for x
    x = 949,514,005,208,780/40,981,100.40
  6. Step 6: Final answer
    x = 23,169,558.55

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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.