Home / 15,141,219.84-20,894,968.27-8,614,849.16

Finding the Fourth Proportional to 15,141,219.84, 20,894,968.27 and 8,614,849.16

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Solution

The fourth proportional to 15,141,219.84, 20,894,968.27 and 8,614,849.16 is: 11,888,540.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141,219.84 : 20,894,968.27 = 8,614,849.16 : x
  2. Step 2: Convert to fraction form
    15,141,219.84/20,894,968.27 = 8,614,849.16/x
  3. Step 3: Cross multiply
    15,141,219.84x = 20,894,968.27 × 8,614,849.16
  4. Step 4: Simplify right side
    15,141,219.84x = 180,006,999,912,042.12
  5. Step 5: Solve for x
    x = 180,006,999,912,042.12/15,141,219.84
  6. Step 6: Final answer
    x = 11,888,540.14

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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.