Home / 38,486,834.40-57,730,251.60-11,556,991.20

Finding the Fourth Proportional to 38,486,834.40, 57,730,251.60 and 11,556,991.20

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Solution

The fourth proportional to 38,486,834.40, 57,730,251.60 and 11,556,991.20 is: 17,335,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,486,834.40 : 57,730,251.60 = 11,556,991.20 : x
  2. Step 2: Convert to fraction form
    38,486,834.40/57,730,251.60 = 11,556,991.20/x
  3. Step 3: Cross multiply
    38,486,834.40x = 57,730,251.60 × 11,556,991.20
  4. Step 4: Simplify right side
    38,486,834.40x = 667,188,009,714,985.88
  5. Step 5: Solve for x
    x = 667,188,009,714,985.88/38,486,834.40
  6. Step 6: Final answer
    x = 17,335,486.80

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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.