Home / 20,565,397.44-30,850,749.72-6,912,656.28

Finding the Fourth Proportional to 20,565,397.44, 30,850,749.72 and 6,912,656.28

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Solution

The fourth proportional to 20,565,397.44, 30,850,749.72 and 6,912,656.28 is: 10,369,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,565,397.44 : 30,850,749.72 = 6,912,656.28 : x
  2. Step 2: Convert to fraction form
    20,565,397.44/30,850,749.72 = 6,912,656.28/x
  3. Step 3: Cross multiply
    20,565,397.44x = 30,850,749.72 × 6,912,656.28
  4. Step 4: Simplify right side
    20,565,397.44x = 213,260,628,794,666.25
  5. Step 5: Solve for x
    x = 213,260,628,794,666.25/20,565,397.44
  6. Step 6: Final answer
    x = 10,369,876.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.