Home / 20,745,010.20-28,627,362.78-11,452,380.98

Finding the Fourth Proportional to 20,745,010.20, 28,627,362.78 and 11,452,380.98

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Solution

The fourth proportional to 20,745,010.20, 28,627,362.78 and 11,452,380.98 is: 15,803,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,745,010.20 : 28,627,362.78 = 11,452,380.98 : x
  2. Step 2: Convert to fraction form
    20,745,010.20/28,627,362.78 = 11,452,380.98/x
  3. Step 3: Cross multiply
    20,745,010.20x = 28,627,362.78 × 11,452,380.98
  4. Step 4: Simplify right side
    20,745,010.20x = 327,851,465,009,231.94
  5. Step 5: Solve for x
    x = 327,851,465,009,231.94/20,745,010.20
  6. Step 6: Final answer
    x = 15,803,871.00

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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.