Home / 15,028,891.83-20,739,910.93-8,153,373.90

Finding the Fourth Proportional to 15,028,891.83, 20,739,910.93 and 8,153,373.90

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Solution

The fourth proportional to 15,028,891.83, 20,739,910.93 and 8,153,373.90 is: 11,251,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028,891.83 : 20,739,910.93 = 8,153,373.90 : x
  2. Step 2: Convert to fraction form
    15,028,891.83/20,739,910.93 = 8,153,373.90/x
  3. Step 3: Cross multiply
    15,028,891.83x = 20,739,910.93 × 8,153,373.90
  4. Step 4: Simplify right side
    15,028,891.83x = 169,100,248,464,986.72
  5. Step 5: Solve for x
    x = 169,100,248,464,986.72/15,028,891.83
  6. Step 6: Final answer
    x = 11,251,677.79

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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.