Home / 12,259,143.32-16,917,617.58-7,105,494.20

Finding the Fourth Proportional to 12,259,143.32, 16,917,617.58 and 7,105,494.20

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Solution

The fourth proportional to 12,259,143.32, 16,917,617.58 and 7,105,494.20 is: 9,805,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259,143.32 : 16,917,617.58 = 7,105,494.20 : x
  2. Step 2: Convert to fraction form
    12,259,143.32/16,917,617.58 = 7,105,494.20/x
  3. Step 3: Cross multiply
    12,259,143.32x = 16,917,617.58 × 7,105,494.20
  4. Step 4: Simplify right side
    12,259,143.32x = 120,208,033,592,508.03
  5. Step 5: Solve for x
    x = 120,208,033,592,508.03/12,259,143.32
  6. Step 6: Final answer
    x = 9,805,581.88

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Double scale
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1.5x scale

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.