Home / 18,852,868.16-28,280,926.56-5,206,016.96

Finding the Fourth Proportional to 18,852,868.16, 28,280,926.56 and 5,206,016.96

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Solution

The fourth proportional to 18,852,868.16, 28,280,926.56 and 5,206,016.96 is: 7,809,473.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852,868.16 : 28,280,926.56 = 5,206,016.96 : x
  2. Step 2: Convert to fraction form
    18,852,868.16/28,280,926.56 = 5,206,016.96/x
  3. Step 3: Cross multiply
    18,852,868.16x = 28,280,926.56 × 5,206,016.96
  4. Step 4: Simplify right side
    18,852,868.16x = 147,230,983,315,874.44
  5. Step 5: Solve for x
    x = 147,230,983,315,874.44/18,852,868.16
  6. Step 6: Final answer
    x = 7,809,473.98

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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.