Home / 28,481,882.52-39,304,962.36-15,429,195.38

Finding the Fourth Proportional to 28,481,882.52, 39,304,962.36 and 15,429,195.38

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Solution

The fourth proportional to 28,481,882.52, 39,304,962.36 and 15,429,195.38 is: 21,292,270.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,481,882.52 : 39,304,962.36 = 15,429,195.38 : x
  2. Step 2: Convert to fraction form
    28,481,882.52/39,304,962.36 = 15,429,195.38/x
  3. Step 3: Cross multiply
    28,481,882.52x = 39,304,962.36 × 15,429,195.38
  4. Step 4: Simplify right side
    28,481,882.52x = 606,443,943,655,985.88
  5. Step 5: Solve for x
    x = 606,443,943,655,985.88/28,481,882.52
  6. Step 6: Final answer
    x = 21,292,270.38

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1.5x scale

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.