Home / 20,845,015.02-28,766,123.46-11,553,184.98

Finding the Fourth Proportional to 20,845,015.02, 28,766,123.46 and 11,553,184.98

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Solution

The fourth proportional to 20,845,015.02, 28,766,123.46 and 11,553,184.98 is: 15,943,396.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,845,015.02 : 28,766,123.46 = 11,553,184.98 : x
  2. Step 2: Convert to fraction form
    20,845,015.02/28,766,123.46 = 11,553,184.98/x
  3. Step 3: Cross multiply
    20,845,015.02x = 28,766,123.46 × 11,553,184.98
  4. Step 4: Simplify right side
    20,845,015.02x = 332,340,345,490,897.62
  5. Step 5: Solve for x
    x = 332,340,345,490,897.62/20,845,015.02
  6. Step 6: Final answer
    x = 15,943,396.79

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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.