Home / 21,061,346.80-31,592,020.20-9,723,938.80

Finding the Fourth Proportional to 21,061,346.80, 31,592,020.20 and 9,723,938.80

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Solution

The fourth proportional to 21,061,346.80, 31,592,020.20 and 9,723,938.80 is: 14,585,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061,346.80 : 31,592,020.20 = 9,723,938.80 : x
  2. Step 2: Convert to fraction form
    21,061,346.80/31,592,020.20 = 9,723,938.80/x
  3. Step 3: Cross multiply
    21,061,346.80x = 31,592,020.20 × 9,723,938.80
  4. Step 4: Simplify right side
    21,061,346.80x = 307,198,870,993,163.75
  5. Step 5: Solve for x
    x = 307,198,870,993,163.75/21,061,346.80
  6. Step 6: Final answer
    x = 14,585,908.20

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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.