Home / 20,052,425.32-27,672,382.02-10,885,074.28

Finding the Fourth Proportional to 20,052,425.32, 27,672,382.02 and 10,885,074.28

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Solution

The fourth proportional to 20,052,425.32, 27,672,382.02 and 10,885,074.28 is: 15,021,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052,425.32 : 27,672,382.02 = 10,885,074.28 : x
  2. Step 2: Convert to fraction form
    20,052,425.32/27,672,382.02 = 10,885,074.28/x
  3. Step 3: Cross multiply
    20,052,425.32x = 27,672,382.02 × 10,885,074.28
  4. Step 4: Simplify right side
    20,052,425.32x = 301,215,933,792,236.44
  5. Step 5: Solve for x
    x = 301,215,933,792,236.44/20,052,425.32
  6. Step 6: Final answer
    x = 15,021,421.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.