Home / 39,304,973.70-54,240,137.09-21,423,348.20

Finding the Fourth Proportional to 39,304,973.70, 54,240,137.09 and 21,423,348.20

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Solution

The fourth proportional to 39,304,973.70, 54,240,137.09 and 21,423,348.20 is: 29,563,824.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,304,973.70 : 54,240,137.09 = 21,423,348.20 : x
  2. Step 2: Convert to fraction form
    39,304,973.70/54,240,137.09 = 21,423,348.20/x
  3. Step 3: Cross multiply
    39,304,973.70x = 54,240,137.09 × 21,423,348.20
  4. Step 4: Simplify right side
    39,304,973.70x = 1,162,005,342,916,487.25
  5. Step 5: Solve for x
    x = 1,162,005,342,916,487.25/39,304,973.70
  6. Step 6: Final answer
    x = 29,563,824.46

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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.