Home / 13,057,540.92-18,000,415.26-9,125,088.02

Finding the Fourth Proportional to 13,057,540.92, 18,000,415.26 and 9,125,088.02

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Solution

The fourth proportional to 13,057,540.92, 18,000,415.26 and 9,125,088.02 is: 12,579,349.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,540.92 : 18,000,415.26 = 9,125,088.02 : x
  2. Step 2: Convert to fraction form
    13,057,540.92/18,000,415.26 = 9,125,088.02/x
  3. Step 3: Cross multiply
    13,057,540.92x = 18,000,415.26 × 9,125,088.02
  4. Step 4: Simplify right side
    13,057,540.92x = 164,255,373,554,049.12
  5. Step 5: Solve for x
    x = 164,255,373,554,049.12/13,057,540.92
  6. Step 6: Final answer
    x = 12,579,349.71

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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.