Home / 12,359,258.40-18,514,974.78-6,951,478.08

Finding the Fourth Proportional to 12,359,258.40, 18,514,974.78 and 6,951,478.08

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Solution

The fourth proportional to 12,359,258.40, 18,514,974.78 and 6,951,478.08 is: 10,413,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359,258.40 : 18,514,974.78 = 6,951,478.08 : x
  2. Step 2: Convert to fraction form
    12,359,258.40/18,514,974.78 = 6,951,478.08/x
  3. Step 3: Cross multiply
    12,359,258.40x = 18,514,974.78 × 6,951,478.08
  4. Step 4: Simplify right side
    12,359,258.40x = 128,706,441,334,922.83
  5. Step 5: Solve for x
    x = 128,706,441,334,922.83/12,359,258.40
  6. Step 6: Final answer
    x = 10,413,767.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.