Home / 16,128,778.40-24,195,241.20-8,045,885.60

Finding the Fourth Proportional to 16,128,778.40, 24,195,241.20 and 8,045,885.60

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Solution

The fourth proportional to 16,128,778.40, 24,195,241.20 and 8,045,885.60 is: 12,069,862.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,778.40 : 24,195,241.20 = 8,045,885.60 : x
  2. Step 2: Convert to fraction form
    16,128,778.40/24,195,241.20 = 8,045,885.60/x
  3. Step 3: Cross multiply
    16,128,778.40x = 24,195,241.20 × 8,045,885.60
  4. Step 4: Simplify right side
    16,128,778.40x = 194,672,142,759,606.72
  5. Step 5: Solve for x
    x = 194,672,142,759,606.72/16,128,778.40
  6. Step 6: Final answer
    x = 12,069,862.82

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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.