Home / 12,325,381.60-17,013,301.68-8,470,662.88

Finding the Fourth Proportional to 12,325,381.60, 17,013,301.68 and 8,470,662.88

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Solution

The fourth proportional to 12,325,381.60, 17,013,301.68 and 8,470,662.88 is: 11,692,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325,381.60 : 17,013,301.68 = 8,470,662.88 : x
  2. Step 2: Convert to fraction form
    12,325,381.60/17,013,301.68 = 8,470,662.88/x
  3. Step 3: Cross multiply
    12,325,381.60x = 17,013,301.68 × 8,470,662.88
  4. Step 4: Simplify right side
    12,325,381.60x = 144,113,943,007,017.66
  5. Step 5: Solve for x
    x = 144,113,943,007,017.66/12,325,381.60
  6. Step 6: Final answer
    x = 11,692,452.83

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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.