Home / 13,006,023.60-19,488,040.20-8,205,121.20

Finding the Fourth Proportional to 13,006,023.60, 19,488,040.20 and 8,205,121.20

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Solution

The fourth proportional to 13,006,023.60, 19,488,040.20 and 8,205,121.20 is: 12,294,436.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006,023.60 : 19,488,040.20 = 8,205,121.20 : x
  2. Step 2: Convert to fraction form
    13,006,023.60/19,488,040.20 = 8,205,121.20/x
  3. Step 3: Cross multiply
    13,006,023.60x = 19,488,040.20 × 8,205,121.20
  4. Step 4: Simplify right side
    13,006,023.60x = 159,901,731,791,472.25
  5. Step 5: Solve for x
    x = 159,901,731,791,472.25/13,006,023.60
  6. Step 6: Final answer
    x = 12,294,436.54

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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.