Home / 12,864,091.20-19,277,995.60-7,109,416.23

Finding the Fourth Proportional to 12,864,091.20, 19,277,995.60 and 7,109,416.23

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Solution

The fourth proportional to 12,864,091.20, 19,277,995.60 and 7,109,416.23 is: 10,654,098.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864,091.20 : 19,277,995.60 = 7,109,416.23 : x
  2. Step 2: Convert to fraction form
    12,864,091.20/19,277,995.60 = 7,109,416.23/x
  3. Step 3: Cross multiply
    12,864,091.20x = 19,277,995.60 × 7,109,416.23
  4. Step 4: Simplify right side
    12,864,091.20x = 137,055,294,800,508.61
  5. Step 5: Solve for x
    x = 137,055,294,800,508.61/12,864,091.20
  6. Step 6: Final answer
    x = 10,654,098.50

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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.