Home / 28,481,883.48-39,304,963.69-15,429,196.35

Finding the Fourth Proportional to 28,481,883.48, 39,304,963.69 and 15,429,196.35

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Solution

The fourth proportional to 28,481,883.48, 39,304,963.69 and 15,429,196.35 is: 21,292,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,481,883.48 : 39,304,963.69 = 15,429,196.35 : x
  2. Step 2: Convert to fraction form
    28,481,883.48/39,304,963.69 = 15,429,196.35/x
  3. Step 3: Cross multiply
    28,481,883.48x = 39,304,963.69 × 15,429,196.35
  4. Step 4: Simplify right side
    28,481,883.48x = 606,444,002,264,057.50
  5. Step 5: Solve for x
    x = 606,444,002,264,057.50/28,481,883.48
  6. Step 6: Final answer
    x = 21,292,271.72

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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.