Home / 8,871,246.80-13,306,870.20-3,191,656.40

Finding the Fourth Proportional to 8,871,246.80, 13,306,870.20 and 3,191,656.40

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Solution

The fourth proportional to 8,871,246.80, 13,306,870.20 and 3,191,656.40 is: 4,787,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871,246.80 : 13,306,870.20 = 3,191,656.40 : x
  2. Step 2: Convert to fraction form
    8,871,246.80/13,306,870.20 = 3,191,656.40/x
  3. Step 3: Cross multiply
    8,871,246.80x = 13,306,870.20 × 3,191,656.40
  4. Step 4: Simplify right side
    8,871,246.80x = 42,470,957,437,799.27
  5. Step 5: Solve for x
    x = 42,470,957,437,799.27/8,871,246.80
  6. Step 6: Final answer
    x = 4,787,484.60

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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.