Home / 28,166,704.06-38,850,644.59-19,811,793.74

Finding the Fourth Proportional to 28,166,704.06, 38,850,644.59 and 19,811,793.74

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Solution

The fourth proportional to 28,166,704.06, 38,850,644.59 and 19,811,793.74 is: 27,326,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166,704.06 : 38,850,644.59 = 19,811,793.74 : x
  2. Step 2: Convert to fraction form
    28,166,704.06/38,850,644.59 = 19,811,793.74/x
  3. Step 3: Cross multiply
    28,166,704.06x = 38,850,644.59 × 19,811,793.74
  4. Step 4: Simplify right side
    28,166,704.06x = 769,700,957,039,344.12
  5. Step 5: Solve for x
    x = 769,700,957,039,344.12/28,166,704.06
  6. Step 6: Final answer
    x = 27,326,624.92

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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.