Home / 28,326,142.85-42,486,780.40-17,244,338.16

Finding the Fourth Proportional to 28,326,142.85, 42,486,780.40 and 17,244,338.16

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Solution

The fourth proportional to 28,326,142.85, 42,486,780.40 and 17,244,338.16 is: 25,865,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326,142.85 : 42,486,780.40 = 17,244,338.16 : x
  2. Step 2: Convert to fraction form
    28,326,142.85/42,486,780.40 = 17,244,338.16/x
  3. Step 3: Cross multiply
    28,326,142.85x = 42,486,780.40 × 17,244,338.16
  4. Step 4: Simplify right side
    28,326,142.85x = 732,656,408,388,822
  5. Step 5: Solve for x
    x = 732,656,408,388,822/28,326,142.85
  6. Step 6: Final answer
    x = 25,865,025.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.