Home / 6,988,569.76-9,643,483.92-3,932,734.24

Finding the Fourth Proportional to 6,988,569.76, 9,643,483.92 and 3,932,734.24

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Solution

The fourth proportional to 6,988,569.76, 9,643,483.92 and 3,932,734.24 is: 5,426,755.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988,569.76 : 9,643,483.92 = 3,932,734.24 : x
  2. Step 2: Convert to fraction form
    6,988,569.76/9,643,483.92 = 3,932,734.24/x
  3. Step 3: Cross multiply
    6,988,569.76x = 9,643,483.92 × 3,932,734.24
  4. Step 4: Simplify right side
    6,988,569.76x = 37,925,259,405,073.42
  5. Step 5: Solve for x
    x = 37,925,259,405,073.42/6,988,569.76
  6. Step 6: Final answer
    x = 5,426,755.50

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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.