Home / 15,104,858.60-20,871,219.30-12,074,084.84

Finding the Fourth Proportional to 15,104,858.60, 20,871,219.30 and 12,074,084.84

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Solution

The fourth proportional to 15,104,858.60, 20,871,219.30 and 12,074,084.84 is: 16,683,431.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104,858.60 : 20,871,219.30 = 12,074,084.84 : x
  2. Step 2: Convert to fraction form
    15,104,858.60/20,871,219.30 = 12,074,084.84/x
  3. Step 3: Cross multiply
    15,104,858.60x = 20,871,219.30 × 12,074,084.84
  4. Step 4: Simplify right side
    15,104,858.60x = 252,000,872,542,445.41
  5. Step 5: Solve for x
    x = 252,000,872,542,445.41/15,104,858.60
  6. Step 6: Final answer
    x = 16,683,431.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.