Home / 20,845,010.50-28,766,117.23-11,553,180.46

Finding the Fourth Proportional to 20,845,010.50, 28,766,117.23 and 11,553,180.46

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Solution

The fourth proportional to 20,845,010.50, 28,766,117.23 and 11,553,180.46 is: 15,943,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,845,010.50 : 28,766,117.23 = 11,553,180.46 : x
  2. Step 2: Convert to fraction form
    20,845,010.50/28,766,117.23 = 11,553,180.46/x
  3. Step 3: Cross multiply
    20,845,010.50x = 28,766,117.23 × 11,553,180.46
  4. Step 4: Simplify right side
    20,845,010.50x = 332,340,143,390,907.06
  5. Step 5: Solve for x
    x = 332,340,143,390,907.06/20,845,010.50
  6. Step 6: Final answer
    x = 15,943,390.55

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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.