Home / 12,944,060.80-19,416,091.20-12,692,118.40

Finding the Fourth Proportional to 12,944,060.80, 19,416,091.20 and 12,692,118.40

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Solution

The fourth proportional to 12,944,060.80, 19,416,091.20 and 12,692,118.40 is: 19,038,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,060.80 : 19,416,091.20 = 12,692,118.40 : x
  2. Step 2: Convert to fraction form
    12,944,060.80/19,416,091.20 = 12,692,118.40/x
  3. Step 3: Cross multiply
    12,944,060.80x = 19,416,091.20 × 12,692,118.40
  4. Step 4: Simplify right side
    12,944,060.80x = 246,431,328,375,598.06
  5. Step 5: Solve for x
    x = 246,431,328,375,598.06/12,944,060.80
  6. Step 6: Final answer
    x = 19,038,177.60

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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.