Home / 12,413,228.60-17,132,627.06-8,219,516.62

Finding the Fourth Proportional to 12,413,228.60, 17,132,627.06 and 8,219,516.62

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Solution

The fourth proportional to 12,413,228.60, 17,132,627.06 and 8,219,516.62 is: 11,344,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413,228.60 : 17,132,627.06 = 8,219,516.62 : x
  2. Step 2: Convert to fraction form
    12,413,228.60/17,132,627.06 = 8,219,516.62/x
  3. Step 3: Cross multiply
    12,413,228.60x = 17,132,627.06 × 8,219,516.62
  4. Step 4: Simplify right side
    12,413,228.60x = 140,821,912,863,931.72
  5. Step 5: Solve for x
    x = 140,821,912,863,931.72/12,413,228.60
  6. Step 6: Final answer
    x = 11,344,503.30

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1.5x scale

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.