Home / 11,957,307.60-17,938,808.60-3,870,284.72

Finding the Fourth Proportional to 11,957,307.60, 17,938,808.60 and 3,870,284.72

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Solution

The fourth proportional to 11,957,307.60, 17,938,808.60 and 3,870,284.72 is: 5,806,348.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957,307.60 : 17,938,808.60 = 3,870,284.72 : x
  2. Step 2: Convert to fraction form
    11,957,307.60/17,938,808.60 = 3,870,284.72/x
  3. Step 3: Cross multiply
    11,957,307.60x = 17,938,808.60 × 3,870,284.72
  4. Step 4: Simplify right side
    11,957,307.60x = 69,428,296,819,584.60
  5. Step 5: Solve for x
    x = 69,428,296,819,584.60/11,957,307.60
  6. Step 6: Final answer
    x = 5,806,348.65

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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.