Home / 13,163,525.45-18,165,560.54-7,362,302.61

Finding the Fourth Proportional to 13,163,525.45, 18,165,560.54 and 7,362,302.61

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Solution

The fourth proportional to 13,163,525.45, 18,165,560.54 and 7,362,302.61 is: 10,159,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163,525.45 : 18,165,560.54 = 7,362,302.61 : x
  2. Step 2: Convert to fraction form
    13,163,525.45/18,165,560.54 = 7,362,302.61/x
  3. Step 3: Cross multiply
    13,163,525.45x = 18,165,560.54 × 7,362,302.61
  4. Step 4: Simplify right side
    13,163,525.45x = 133,740,353,775,755.02
  5. Step 5: Solve for x
    x = 133,740,353,775,755.02/13,163,525.45
  6. Step 6: Final answer
    x = 10,159,919.11

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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.