Home / 28,140,768.52-38,858,496.75-17,704,180.69

Finding the Fourth Proportional to 28,140,768.52, 38,858,496.75 and 17,704,180.69

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Solution

The fourth proportional to 28,140,768.52, 38,858,496.75 and 17,704,180.69 is: 24,447,017.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,140,768.52 : 38,858,496.75 = 17,704,180.69 : x
  2. Step 2: Convert to fraction form
    28,140,768.52/38,858,496.75 = 17,704,180.69/x
  3. Step 3: Cross multiply
    28,140,768.52x = 38,858,496.75 × 17,704,180.69
  4. Step 4: Simplify right side
    28,140,768.52x = 687,957,847,706,631.50
  5. Step 5: Solve for x
    x = 687,957,847,706,631.50/28,140,768.52
  6. Step 6: Final answer
    x = 24,447,017.05

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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.