Home / 6,988,512.63-9,644,127.68-3,932,726.85

Finding the Fourth Proportional to 6,988,512.63, 9,644,127.68 and 3,932,726.85

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Solution

The fourth proportional to 6,988,512.63, 9,644,127.68 and 3,932,726.85 is: 5,427,151.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988,512.63 : 9,644,127.68 = 3,932,726.85 : x
  2. Step 2: Convert to fraction form
    6,988,512.63/9,644,127.68 = 3,932,726.85/x
  3. Step 3: Cross multiply
    6,988,512.63x = 9,644,127.68 × 3,932,726.85
  4. Step 4: Simplify right side
    6,988,512.63x = 37,927,719,852,300.58
  5. Step 5: Solve for x
    x = 37,927,719,852,300.58/6,988,512.63
  6. Step 6: Final answer
    x = 5,427,151.94

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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.