Home / 14,419,765.56-19,897,915.50-8,617,392.12

Finding the Fourth Proportional to 14,419,765.56, 19,897,915.50 and 8,617,392.12

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Solution

The fourth proportional to 14,419,765.56, 19,897,915.50 and 8,617,392.12 is: 11,891,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419,765.56 : 19,897,915.50 = 8,617,392.12 : x
  2. Step 2: Convert to fraction form
    14,419,765.56/19,897,915.50 = 8,617,392.12/x
  3. Step 3: Cross multiply
    14,419,765.56x = 19,897,915.50 × 8,617,392.12
  4. Step 4: Simplify right side
    14,419,765.56x = 171,468,140,234,125.84
  5. Step 5: Solve for x
    x = 171,468,140,234,125.84/14,419,765.56
  6. Step 6: Final answer
    x = 11,891,187.80

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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.