Home / 15,395,523.57-21,244,958.10-8,426,186.92

Finding the Fourth Proportional to 15,395,523.57, 21,244,958.10 and 8,426,186.92

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Solution

The fourth proportional to 15,395,523.57, 21,244,958.10 and 8,426,186.92 is: 11,627,664.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395,523.57 : 21,244,958.10 = 8,426,186.92 : x
  2. Step 2: Convert to fraction form
    15,395,523.57/21,244,958.10 = 8,426,186.92/x
  3. Step 3: Cross multiply
    15,395,523.57x = 21,244,958.10 × 8,426,186.92
  4. Step 4: Simplify right side
    15,395,523.57x = 179,013,988,005,055.69
  5. Step 5: Solve for x
    x = 179,013,988,005,055.69/15,395,523.57
  6. Step 6: Final answer
    x = 11,627,664.83

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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.