Home / 12,479,222.13-18,804,013.05-10,254,581.04

Finding the Fourth Proportional to 12,479,222.13, 18,804,013.05 and 10,254,581.04

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Solution

The fourth proportional to 12,479,222.13, 18,804,013.05 and 10,254,581.04 is: 15,451,866.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479,222.13 : 18,804,013.05 = 10,254,581.04 : x
  2. Step 2: Convert to fraction form
    12,479,222.13/18,804,013.05 = 10,254,581.04/x
  3. Step 3: Cross multiply
    12,479,222.13x = 18,804,013.05 × 10,254,581.04
  4. Step 4: Simplify right side
    12,479,222.13x = 192,827,275,698,442.56
  5. Step 5: Solve for x
    x = 192,827,275,698,442.56/12,479,222.13
  6. Step 6: Final answer
    x = 15,451,866.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.