Home / 14,964,851.76-20,640,779.56-9,728,091.20

Finding the Fourth Proportional to 14,964,851.76, 20,640,779.56 and 9,728,091.20

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Solution

The fourth proportional to 14,964,851.76, 20,640,779.56 and 9,728,091.20 is: 13,417,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964,851.76 : 20,640,779.56 = 9,728,091.20 : x
  2. Step 2: Convert to fraction form
    14,964,851.76/20,640,779.56 = 9,728,091.20/x
  3. Step 3: Cross multiply
    14,964,851.76x = 20,640,779.56 × 9,728,091.20
  4. Step 4: Simplify right side
    14,964,851.76x = 200,795,385,998,775.84
  5. Step 5: Solve for x
    x = 200,795,385,998,775.84/14,964,851.76
  6. Step 6: Final answer
    x = 13,417,799.87

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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.