Home / 18,509,211.95-25,542,534.96-10,665,842.63

Finding the Fourth Proportional to 18,509,211.95, 25,542,534.96 and 10,665,842.63

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Solution

The fourth proportional to 18,509,211.95, 25,542,534.96 and 10,665,842.63 is: 14,718,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509,211.95 : 25,542,534.96 = 10,665,842.63 : x
  2. Step 2: Convert to fraction form
    18,509,211.95/25,542,534.96 = 10,665,842.63/x
  3. Step 3: Cross multiply
    18,509,211.95x = 25,542,534.96 × 10,665,842.63
  4. Step 4: Simplify right side
    18,509,211.95x = 272,432,658,126,920.69
  5. Step 5: Solve for x
    x = 272,432,658,126,920.69/18,509,211.95
  6. Step 6: Final answer
    x = 14,718,760.53

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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.