Home / 13,163,524.45-18,165,559.16-7,362,301.61

Finding the Fourth Proportional to 13,163,524.45, 18,165,559.16 and 7,362,301.61

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Solution

The fourth proportional to 13,163,524.45, 18,165,559.16 and 7,362,301.61 is: 10,159,917.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163,524.45 : 18,165,559.16 = 7,362,301.61 : x
  2. Step 2: Convert to fraction form
    13,163,524.45/18,165,559.16 = 7,362,301.61/x
  3. Step 3: Cross multiply
    13,163,524.45x = 18,165,559.16 × 7,362,301.61
  4. Step 4: Simplify right side
    13,163,524.45x = 133,740,325,514,037.91
  5. Step 5: Solve for x
    x = 133,740,325,514,037.91/13,163,524.45
  6. Step 6: Final answer
    x = 10,159,917.74

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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.