Home / 28,517,207.38-39,353,766.94-15,464,462.98

Finding the Fourth Proportional to 28,517,207.38, 39,353,766.94 and 15,464,462.98

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Solution

The fourth proportional to 28,517,207.38, 39,353,766.94 and 15,464,462.98 is: 21,340,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517,207.38 : 39,353,766.94 = 15,464,462.98 : x
  2. Step 2: Convert to fraction form
    28,517,207.38/39,353,766.94 = 15,464,462.98/x
  3. Step 3: Cross multiply
    28,517,207.38x = 39,353,766.94 × 15,464,462.98
  4. Step 4: Simplify right side
    28,517,207.38x = 608,584,871,967,177.88
  5. Step 5: Solve for x
    x = 608,584,871,967,177.88/28,517,207.38
  6. Step 6: Final answer
    x = 21,340,970.17

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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.