Home / 28,088,469.72-42,132,704.59-7,893,711.72

Finding the Fourth Proportional to 28,088,469.72, 42,132,704.59 and 7,893,711.72

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Solution

The fourth proportional to 28,088,469.72, 42,132,704.59 and 7,893,711.72 is: 11,840,567.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088,469.72 : 42,132,704.59 = 7,893,711.72 : x
  2. Step 2: Convert to fraction form
    28,088,469.72/42,132,704.59 = 7,893,711.72/x
  3. Step 3: Cross multiply
    28,088,469.72x = 42,132,704.59 × 7,893,711.72
  4. Step 4: Simplify right side
    28,088,469.72x = 332,583,424,017,380.81
  5. Step 5: Solve for x
    x = 332,583,424,017,380.81/28,088,469.72
  6. Step 6: Final answer
    x = 11,840,567.58

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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.