Home / 18,509,212.95-25,542,536.34-10,665,843.63

Finding the Fourth Proportional to 18,509,212.95, 25,542,536.34 and 10,665,843.63

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Solution

The fourth proportional to 18,509,212.95, 25,542,536.34 and 10,665,843.63 is: 14,718,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509,212.95 : 25,542,536.34 = 10,665,843.63 : x
  2. Step 2: Convert to fraction form
    18,509,212.95/25,542,536.34 = 10,665,843.63/x
  3. Step 3: Cross multiply
    18,509,212.95x = 25,542,536.34 × 10,665,843.63
  4. Step 4: Simplify right side
    18,509,212.95x = 272,432,698,516,032.53
  5. Step 5: Solve for x
    x = 272,432,698,516,032.53/18,509,212.95
  6. Step 6: Final answer
    x = 14,718,761.91

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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.