Home / 15,013,577.75-20,718,182.03-8,137,912.19

Finding the Fourth Proportional to 15,013,577.75, 20,718,182.03 and 8,137,912.19

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Solution

The fourth proportional to 15,013,577.75, 20,718,182.03 and 8,137,912.19 is: 11,230,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013,577.75 : 20,718,182.03 = 8,137,912.19 : x
  2. Step 2: Convert to fraction form
    15,013,577.75/20,718,182.03 = 8,137,912.19/x
  3. Step 3: Cross multiply
    15,013,577.75x = 20,718,182.03 × 8,137,912.19
  4. Step 4: Simplify right side
    15,013,577.75x = 168,602,745,952,295.47
  5. Step 5: Solve for x
    x = 168,602,745,952,295.47/15,013,577.75
  6. Step 6: Final answer
    x = 11,230,017.84

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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.