Home / 20,157,482.93-27,819,688.05-11,456,963.42

Finding the Fourth Proportional to 20,157,482.93, 27,819,688.05 and 11,456,963.42

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Solution

The fourth proportional to 20,157,482.93, 27,819,688.05 and 11,456,963.42 is: 15,811,951.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,482.93 : 27,819,688.05 = 11,456,963.42 : x
  2. Step 2: Convert to fraction form
    20,157,482.93/27,819,688.05 = 11,456,963.42/x
  3. Step 3: Cross multiply
    20,157,482.93x = 27,819,688.05 × 11,456,963.42
  4. Step 4: Simplify right side
    20,157,482.93x = 318,729,148,205,562.69
  5. Step 5: Solve for x
    x = 318,729,148,205,562.69/20,157,482.93
  6. Step 6: Final answer
    x = 15,811,951.79

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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.