Home / 40,981,128.40-61,495,312.20-15,440,467.60

Finding the Fourth Proportional to 40,981,128.40, 61,495,312.20 and 15,440,467.60

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Solution

The fourth proportional to 40,981,128.40, 61,495,312.20 and 15,440,467.60 is: 23,169,600.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,981,128.40 : 61,495,312.20 = 15,440,467.60 : x
  2. Step 2: Convert to fraction form
    40,981,128.40/61,495,312.20 = 15,440,467.60/x
  3. Step 3: Cross multiply
    40,981,128.40x = 61,495,312.20 × 15,440,467.60
  4. Step 4: Simplify right side
    40,981,128.40x = 949,516,375,575,984.75
  5. Step 5: Solve for x
    x = 949,516,375,575,984.75/40,981,128.40
  6. Step 6: Final answer
    x = 23,169,600.56

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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.