Home / 12,748,921.92-17,593,065.38-6,947,585.28

Finding the Fourth Proportional to 12,748,921.92, 17,593,065.38 and 6,947,585.28

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Solution

The fourth proportional to 12,748,921.92, 17,593,065.38 and 6,947,585.28 is: 9,587,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748,921.92 : 17,593,065.38 = 6,947,585.28 : x
  2. Step 2: Convert to fraction form
    12,748,921.92/17,593,065.38 = 6,947,585.28/x
  3. Step 3: Cross multiply
    12,748,921.92x = 17,593,065.38 × 6,947,585.28
  4. Step 4: Simplify right side
    12,748,921.92x = 122,229,322,064,165.61
  5. Step 5: Solve for x
    x = 122,229,322,064,165.61/12,748,921.92
  6. Step 6: Final answer
    x = 9,587,424.16

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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.