Home / 12,808,734.55-19,200,770.78-4,717,296.56

Finding the Fourth Proportional to 12,808,734.55, 19,200,770.78 and 4,717,296.56

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Solution

The fourth proportional to 12,808,734.55, 19,200,770.78 and 4,717,296.56 is: 7,071,403.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808,734.55 : 19,200,770.78 = 4,717,296.56 : x
  2. Step 2: Convert to fraction form
    12,808,734.55/19,200,770.78 = 4,717,296.56/x
  3. Step 3: Cross multiply
    12,808,734.55x = 19,200,770.78 × 4,717,296.56
  4. Step 4: Simplify right side
    12,808,734.55x = 90,575,729,974,257.95
  5. Step 5: Solve for x
    x = 90,575,729,974,257.95/12,808,734.55
  6. Step 6: Final answer
    x = 7,071,403.47

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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.