Home / 20,732,633.80-31,098,950.70-13,193,024.20

Finding the Fourth Proportional to 20,732,633.80, 31,098,950.70 and 13,193,024.20

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Solution

The fourth proportional to 20,732,633.80, 31,098,950.70 and 13,193,024.20 is: 19,789,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,633.80 : 31,098,950.70 = 13,193,024.20 : x
  2. Step 2: Convert to fraction form
    20,732,633.80/31,098,950.70 = 13,193,024.20/x
  3. Step 3: Cross multiply
    20,732,633.80x = 31,098,950.70 × 13,193,024.20
  4. Step 4: Simplify right side
    20,732,633.80x = 410,289,209,179,706.94
  5. Step 5: Solve for x
    x = 410,289,209,179,706.94/20,732,633.80
  6. Step 6: Final answer
    x = 19,789,536.30

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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.