Home / 12,510,089.87-17,255,022.38-11,480,921.84

Finding the Fourth Proportional to 12,510,089.87, 17,255,022.38 and 11,480,921.84

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Solution

The fourth proportional to 12,510,089.87, 17,255,022.38 and 11,480,921.84 is: 15,835,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510,089.87 : 17,255,022.38 = 11,480,921.84 : x
  2. Step 2: Convert to fraction form
    12,510,089.87/17,255,022.38 = 11,480,921.84/x
  3. Step 3: Cross multiply
    12,510,089.87x = 17,255,022.38 × 11,480,921.84
  4. Step 4: Simplify right side
    12,510,089.87x = 198,103,563,321,017.19
  5. Step 5: Solve for x
    x = 198,103,563,321,017.19/12,510,089.87
  6. Step 6: Final answer
    x = 15,835,502.81

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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.