Home / 12,413,228.02-17,132,626.36-8,219,516.08

Finding the Fourth Proportional to 12,413,228.02, 17,132,626.36 and 8,219,516.08

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Solution

The fourth proportional to 12,413,228.02, 17,132,626.36 and 8,219,516.08 is: 11,344,502.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413,228.02 : 17,132,626.36 = 8,219,516.08 : x
  2. Step 2: Convert to fraction form
    12,413,228.02/17,132,626.36 = 8,219,516.08/x
  3. Step 3: Cross multiply
    12,413,228.02x = 17,132,626.36 × 8,219,516.08
  4. Step 4: Simplify right side
    12,413,228.02x = 140,821,897,763,147.84
  5. Step 5: Solve for x
    x = 140,821,897,763,147.84/12,413,228.02
  6. Step 6: Final answer
    x = 11,344,502.61

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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.