Home / 12,726,009.92-19,092,003.78-4,206,345.48

Finding the Fourth Proportional to 12,726,009.92, 19,092,003.78 and 4,206,345.48

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Solution

The fourth proportional to 12,726,009.92, 19,092,003.78 and 4,206,345.48 is: 6,310,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726,009.92 : 19,092,003.78 = 4,206,345.48 : x
  2. Step 2: Convert to fraction form
    12,726,009.92/19,092,003.78 = 4,206,345.48/x
  3. Step 3: Cross multiply
    12,726,009.92x = 19,092,003.78 × 4,206,345.48
  4. Step 4: Simplify right side
    12,726,009.92x = 80,307,563,804,145.92
  5. Step 5: Solve for x
    x = 80,307,563,804,145.92/12,726,009.92
  6. Step 6: Final answer
    x = 6,310,506.15

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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.