Home / 39,363,744.40-54,321,990.36-21,960,089.68

Finding the Fourth Proportional to 39,363,744.40, 54,321,990.36 and 21,960,089.68

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Solution

The fourth proportional to 39,363,744.40, 54,321,990.36 and 21,960,089.68 is: 30,304,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,363,744.40 : 54,321,990.36 = 21,960,089.68 : x
  2. Step 2: Convert to fraction form
    39,363,744.40/54,321,990.36 = 21,960,089.68/x
  3. Step 3: Cross multiply
    39,363,744.40x = 54,321,990.36 × 21,960,089.68
  4. Step 4: Simplify right side
    39,363,744.40x = 1,192,915,779,901,695.50
  5. Step 5: Solve for x
    x = 1,192,915,779,901,695.50/39,363,744.40
  6. Step 6: Final answer
    x = 30,304,936.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.