Home / 8,298,215.40-12,447,323.10-3,247,847.40

Finding the Fourth Proportional to 8,298,215.40, 12,447,323.10 and 3,247,847.40

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Solution

The fourth proportional to 8,298,215.40, 12,447,323.10 and 3,247,847.40 is: 4,871,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298,215.40 : 12,447,323.10 = 3,247,847.40 : x
  2. Step 2: Convert to fraction form
    8,298,215.40/12,447,323.10 = 3,247,847.40/x
  3. Step 3: Cross multiply
    8,298,215.40x = 12,447,323.10 × 3,247,847.40
  4. Step 4: Simplify right side
    8,298,215.40x = 40,427,005,967,294.94
  5. Step 5: Solve for x
    x = 40,427,005,967,294.94/8,298,215.40
  6. Step 6: Final answer
    x = 4,871,771.10

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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.