Home / 11,957,193.19-17,938,636.89-3,870,170.20

Finding the Fourth Proportional to 11,957,193.19, 17,938,636.89 and 3,870,170.20

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Solution

The fourth proportional to 11,957,193.19, 17,938,636.89 and 3,870,170.20 is: 5,806,176.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957,193.19 : 17,938,636.89 = 3,870,170.20 : x
  2. Step 2: Convert to fraction form
    11,957,193.19/17,938,636.89 = 3,870,170.20/x
  3. Step 3: Cross multiply
    11,957,193.19x = 17,938,636.89 × 3,870,170.20
  4. Step 4: Simplify right side
    11,957,193.19x = 69,425,577,920,298.69
  5. Step 5: Solve for x
    x = 69,425,577,920,298.69/11,957,193.19
  6. Step 6: Final answer
    x = 5,806,176.82

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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.