Home / 39,521,012.28-54,537,825.24-21,880,700.88

Finding the Fourth Proportional to 39,521,012.28, 54,537,825.24 and 21,880,700.88

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Solution

The fourth proportional to 39,521,012.28, 54,537,825.24 and 21,880,700.88 is: 30,194,718.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,521,012.28 : 54,537,825.24 = 21,880,700.88 : x
  2. Step 2: Convert to fraction form
    39,521,012.28/54,537,825.24 = 21,880,700.88/x
  3. Step 3: Cross multiply
    39,521,012.28x = 54,537,825.24 × 21,880,700.88
  4. Step 4: Simplify right side
    39,521,012.28x = 1,193,325,840,722,154.25
  5. Step 5: Solve for x
    x = 1,193,325,840,722,154.25/39,521,012.28
  6. Step 6: Final answer
    x = 30,194,718.50

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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.