Home / 18,737,556.53-28,094,293.53-7,815,281.45

Finding the Fourth Proportional to 18,737,556.53, 28,094,293.53 and 7,815,281.45

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Solution

The fourth proportional to 18,737,556.53, 28,094,293.53 and 7,815,281.45 is: 11,717,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737,556.53 : 28,094,293.53 = 7,815,281.45 : x
  2. Step 2: Convert to fraction form
    18,737,556.53/28,094,293.53 = 7,815,281.45/x
  3. Step 3: Cross multiply
    18,737,556.53x = 28,094,293.53 × 7,815,281.45
  4. Step 4: Simplify right side
    18,737,556.53x = 219,564,810,935,392.56
  5. Step 5: Solve for x
    x = 219,564,810,935,392.56/18,737,556.53
  6. Step 6: Final answer
    x = 11,717,899.86

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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.