Home / 20,061,985.71-30,083,493.66-7,771,705.47

Finding the Fourth Proportional to 20,061,985.71, 30,083,493.66 and 7,771,705.47

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Solution

The fourth proportional to 20,061,985.71, 30,083,493.66 and 7,771,705.47 is: 11,653,883.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061,985.71 : 30,083,493.66 = 7,771,705.47 : x
  2. Step 2: Convert to fraction form
    20,061,985.71/30,083,493.66 = 7,771,705.47/x
  3. Step 3: Cross multiply
    20,061,985.71x = 30,083,493.66 × 7,771,705.47
  4. Step 4: Simplify right side
    20,061,985.71x = 233,800,052,234,132.31
  5. Step 5: Solve for x
    x = 233,800,052,234,132.31/20,061,985.71
  6. Step 6: Final answer
    x = 11,653,883.90

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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.