Home / 38,650,457.20-57,982,684.20-19,432,850.80

Finding the Fourth Proportional to 38,650,457.20, 57,982,684.20 and 19,432,850.80

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Solution

The fourth proportional to 38,650,457.20, 57,982,684.20 and 19,432,850.80 is: 29,152,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,650,457.20 : 57,982,684.20 = 19,432,850.80 : x
  2. Step 2: Convert to fraction form
    38,650,457.20/57,982,684.20 = 19,432,850.80/x
  3. Step 3: Cross multiply
    38,650,457.20x = 57,982,684.20 × 19,432,850.80
  4. Step 4: Simplify right side
    38,650,457.20x = 1,126,768,851,042,117.50
  5. Step 5: Solve for x
    x = 1,126,768,851,042,117.50/38,650,457.20
  6. Step 6: Final answer
    x = 29,152,794.89

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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.