Home / 20,636,877.89-30,958,306.18-7,681,951.73

Finding the Fourth Proportional to 20,636,877.89, 30,958,306.18 and 7,681,951.73

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Solution

The fourth proportional to 20,636,877.89, 30,958,306.18 and 7,681,951.73 is: 11,524,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,636,877.89 : 30,958,306.18 = 7,681,951.73 : x
  2. Step 2: Convert to fraction form
    20,636,877.89/30,958,306.18 = 7,681,951.73/x
  3. Step 3: Cross multiply
    20,636,877.89x = 30,958,306.18 × 7,681,951.73
  4. Step 4: Simplify right side
    20,636,877.89x = 237,820,213,775,511.56
  5. Step 5: Solve for x
    x = 237,820,213,775,511.56/20,636,877.89
  6. Step 6: Final answer
    x = 11,524,040.36

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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.