Home / 18,940,454.67-28,411,211.34-6,160,959.42

Finding the Fourth Proportional to 18,940,454.67, 28,411,211.34 and 6,160,959.42

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Solution

The fourth proportional to 18,940,454.67, 28,411,211.34 and 6,160,959.42 is: 9,241,611.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940,454.67 : 28,411,211.34 = 6,160,959.42 : x
  2. Step 2: Convert to fraction form
    18,940,454.67/28,411,211.34 = 6,160,959.42/x
  3. Step 3: Cross multiply
    18,940,454.67x = 28,411,211.34 × 6,160,959.42
  4. Step 4: Simplify right side
    18,940,454.67x = 175,040,320,138,783.81
  5. Step 5: Solve for x
    x = 175,040,320,138,783.81/18,940,454.67
  6. Step 6: Final answer
    x = 9,241,611.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.