Home / 20,732,594.05-31,098,891.09-13,192,984.45

Finding the Fourth Proportional to 20,732,594.05, 31,098,891.09 and 13,192,984.45

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Solution

The fourth proportional to 20,732,594.05, 31,098,891.09 and 13,192,984.45 is: 19,789,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,594.05 : 31,098,891.09 = 13,192,984.45 : x
  2. Step 2: Convert to fraction form
    20,732,594.05/31,098,891.09 = 13,192,984.45/x
  3. Step 3: Cross multiply
    20,732,594.05x = 31,098,891.09 × 13,192,984.45
  4. Step 4: Simplify right side
    20,732,594.05x = 410,287,186,562,613.50
  5. Step 5: Solve for x
    x = 410,287,186,562,613.50/20,732,594.05
  6. Step 6: Final answer
    x = 19,789,476.68

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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.