Home / 39,439,237.05-54,428,963.49-21,797,760.51

Finding the Fourth Proportional to 39,439,237.05, 54,428,963.49 and 21,797,760.51

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Solution

The fourth proportional to 39,439,237.05, 54,428,963.49 and 21,797,760.51 is: 30,082,466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,439,237.05 : 54,428,963.49 = 21,797,760.51 : x
  2. Step 2: Convert to fraction form
    39,439,237.05/54,428,963.49 = 21,797,760.51/x
  3. Step 3: Cross multiply
    39,439,237.05x = 54,428,963.49 × 21,797,760.51
  4. Step 4: Simplify right side
    39,439,237.05x = 1,186,429,510,962,554
  5. Step 5: Solve for x
    x = 1,186,429,510,962,554/39,439,237.05
  6. Step 6: Final answer
    x = 30,082,466.08

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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.