Home / 20,845,041.52-28,766,160.04-11,553,211.48

Finding the Fourth Proportional to 20,845,041.52, 28,766,160.04 and 11,553,211.48

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Solution

The fourth proportional to 20,845,041.52, 28,766,160.04 and 11,553,211.48 is: 15,943,433.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,845,041.52 : 28,766,160.04 = 11,553,211.48 : x
  2. Step 2: Convert to fraction form
    20,845,041.52/28,766,160.04 = 11,553,211.48/x
  3. Step 3: Cross multiply
    20,845,041.52x = 28,766,160.04 × 11,553,211.48
  4. Step 4: Simplify right side
    20,845,041.52x = 332,341,530,409,645.25
  5. Step 5: Solve for x
    x = 332,341,530,409,645.25/20,845,041.52
  6. Step 6: Final answer
    x = 15,943,433.36

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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.