Home / 12,290,672.40-18,436,008.60-3,192,023.40

Finding the Fourth Proportional to 12,290,672.40, 18,436,008.60 and 3,192,023.40

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Solution

The fourth proportional to 12,290,672.40, 18,436,008.60 and 3,192,023.40 is: 4,788,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,672.40 : 18,436,008.60 = 3,192,023.40 : x
  2. Step 2: Convert to fraction form
    12,290,672.40/18,436,008.60 = 3,192,023.40/x
  3. Step 3: Cross multiply
    12,290,672.40x = 18,436,008.60 × 3,192,023.40
  4. Step 4: Simplify right side
    12,290,672.40x = 58,848,170,853,801.24
  5. Step 5: Solve for x
    x = 58,848,170,853,801.24/12,290,672.40
  6. Step 6: Final answer
    x = 4,788,035.10

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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.