Home / 20,669,532.89-28,523,729.02-11,376,904.28

Finding the Fourth Proportional to 20,669,532.89, 28,523,729.02 and 11,376,904.28

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Solution

The fourth proportional to 20,669,532.89, 28,523,729.02 and 11,376,904.28 is: 15,700,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,669,532.89 : 28,523,729.02 = 11,376,904.28 : x
  2. Step 2: Convert to fraction form
    20,669,532.89/28,523,729.02 = 11,376,904.28/x
  3. Step 3: Cross multiply
    20,669,532.89x = 28,523,729.02 × 11,376,904.28
  4. Step 4: Simplify right side
    20,669,532.89x = 324,511,734,769,198.19
  5. Step 5: Solve for x
    x = 324,511,734,769,198.19/20,669,532.89
  6. Step 6: Final answer
    x = 15,700,003.31

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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.