Home / 38,459,119.20-57,726,003.60-19,311,496.80

Finding the Fourth Proportional to 38,459,119.20, 57,726,003.60 and 19,311,496.80

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Solution

The fourth proportional to 38,459,119.20, 57,726,003.60 and 19,311,496.80 is: 28,985,987.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459,119.20 : 57,726,003.60 = 19,311,496.80 : x
  2. Step 2: Convert to fraction form
    38,459,119.20/57,726,003.60 = 19,311,496.80/x
  3. Step 3: Cross multiply
    38,459,119.20x = 57,726,003.60 × 19,311,496.80
  4. Step 4: Simplify right side
    38,459,119.20x = 1,114,775,533,798,188.50
  5. Step 5: Solve for x
    x = 1,114,775,533,798,188.50/38,459,119.20
  6. Step 6: Final answer
    x = 28,985,987.12

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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.