Home / 28,002,843.40-42,004,265.10-25,609,390.60

Finding the Fourth Proportional to 28,002,843.40, 42,004,265.10 and 25,609,390.60

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Solution

The fourth proportional to 28,002,843.40, 42,004,265.10 and 25,609,390.60 is: 38,414,085.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002,843.40 : 42,004,265.10 = 25,609,390.60 : x
  2. Step 2: Convert to fraction form
    28,002,843.40/42,004,265.10 = 25,609,390.60/x
  3. Step 3: Cross multiply
    28,002,843.40x = 42,004,265.10 × 25,609,390.60
  4. Step 4: Simplify right side
    28,002,843.40x = 1,075,703,631,811,848.12
  5. Step 5: Solve for x
    x = 1,075,703,631,811,848.12/28,002,843.40
  6. Step 6: Final answer
    x = 38,414,085.90

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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.