Home / 13,308,545.20-19,962,817.80-7,336,577.20

Finding the Fourth Proportional to 13,308,545.20, 19,962,817.80 and 7,336,577.20

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Solution

The fourth proportional to 13,308,545.20, 19,962,817.80 and 7,336,577.20 is: 11,004,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,545.20 : 19,962,817.80 = 7,336,577.20 : x
  2. Step 2: Convert to fraction form
    13,308,545.20/19,962,817.80 = 7,336,577.20/x
  3. Step 3: Cross multiply
    13,308,545.20x = 19,962,817.80 × 7,336,577.20
  4. Step 4: Simplify right side
    13,308,545.20x = 146,458,753,919,234.16
  5. Step 5: Solve for x
    x = 146,458,753,919,234.16/13,308,545.20
  6. Step 6: Final answer
    x = 11,004,865.80

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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.