Home / 15,028,973.01-20,739,990.26-8,153,453.25

Finding the Fourth Proportional to 15,028,973.01, 20,739,990.26 and 8,153,453.25

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Solution

The fourth proportional to 15,028,973.01, 20,739,990.26 and 8,153,453.25 is: 11,251,769.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028,973.01 : 20,739,990.26 = 8,153,453.25 : x
  2. Step 2: Convert to fraction form
    15,028,973.01/20,739,990.26 = 8,153,453.25/x
  3. Step 3: Cross multiply
    15,028,973.01x = 20,739,990.26 × 8,153,453.25
  4. Step 4: Simplify right side
    15,028,973.01x = 169,102,541,010,748.97
  5. Step 5: Solve for x
    x = 169,102,541,010,748.97/15,028,973.01
  6. Step 6: Final answer
    x = 11,251,769.56

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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.