Home / 12,871,844.20-19,307,766.30-6,804,231.40

Finding the Fourth Proportional to 12,871,844.20, 19,307,766.30 and 6,804,231.40

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Solution

The fourth proportional to 12,871,844.20, 19,307,766.30 and 6,804,231.40 is: 10,206,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,871,844.20 : 19,307,766.30 = 6,804,231.40 : x
  2. Step 2: Convert to fraction form
    12,871,844.20/19,307,766.30 = 6,804,231.40/x
  3. Step 3: Cross multiply
    12,871,844.20x = 19,307,766.30 × 6,804,231.40
  4. Step 4: Simplify right side
    12,871,844.20x = 131,374,509,722,321.83
  5. Step 5: Solve for x
    x = 131,374,509,722,321.83/12,871,844.20
  6. Step 6: Final answer
    x = 10,206,347.10

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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.