Home / 8,569,885.64-12,854,903.79-2,180,144.75

Finding the Fourth Proportional to 8,569,885.64, 12,854,903.79 and 2,180,144.75

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Solution

The fourth proportional to 8,569,885.64, 12,854,903.79 and 2,180,144.75 is: 3,270,236.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569,885.64 : 12,854,903.79 = 2,180,144.75 : x
  2. Step 2: Convert to fraction form
    8,569,885.64/12,854,903.79 = 2,180,144.75/x
  3. Step 3: Cross multiply
    8,569,885.64x = 12,854,903.79 × 2,180,144.75
  4. Step 4: Simplify right side
    8,569,885.64x = 28,025,551,009,523.60
  5. Step 5: Solve for x
    x = 28,025,551,009,523.60/8,569,885.64
  6. Step 6: Final answer
    x = 3,270,236.29

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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.