Home / 12,871,815.45-19,307,723.18-6,804,202.65

Finding the Fourth Proportional to 12,871,815.45, 19,307,723.18 and 6,804,202.65

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Solution

The fourth proportional to 12,871,815.45, 19,307,723.18 and 6,804,202.65 is: 10,206,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,871,815.45 : 19,307,723.18 = 6,804,202.65 : x
  2. Step 2: Convert to fraction form
    12,871,815.45/19,307,723.18 = 6,804,202.65/x
  3. Step 3: Cross multiply
    12,871,815.45x = 19,307,723.18 × 6,804,202.65
  4. Step 4: Simplify right side
    12,871,815.45x = 131,373,661,192,801.42
  5. Step 5: Solve for x
    x = 131,373,661,192,801.42/12,871,815.45
  6. Step 6: Final answer
    x = 10,206,303.98

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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.