Home / 20,474,203.53-28,254,566.17-11,306,846.28

Finding the Fourth Proportional to 20,474,203.53, 28,254,566.17 and 11,306,846.28

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Solution

The fourth proportional to 20,474,203.53, 28,254,566.17 and 11,306,846.28 is: 15,603,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,474,203.53 : 28,254,566.17 = 11,306,846.28 : x
  2. Step 2: Convert to fraction form
    20,474,203.53/28,254,566.17 = 11,306,846.28/x
  3. Step 3: Cross multiply
    20,474,203.53x = 28,254,566.17 × 11,306,846.28
  4. Step 4: Simplify right side
    20,474,203.53x = 319,470,036,392,278.38
  5. Step 5: Solve for x
    x = 319,470,036,392,278.38/20,474,203.53
  6. Step 6: Final answer
    x = 15,603,539.15

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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.