Home / 12,860,211.82-19,367,301.34-11,712,299.26

Finding the Fourth Proportional to 12,860,211.82, 19,367,301.34 and 11,712,299.26

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Solution

The fourth proportional to 12,860,211.82, 19,367,301.34 and 11,712,299.26 is: 17,638,560.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860,211.82 : 19,367,301.34 = 11,712,299.26 : x
  2. Step 2: Convert to fraction form
    12,860,211.82/19,367,301.34 = 11,712,299.26/x
  3. Step 3: Cross multiply
    12,860,211.82x = 19,367,301.34 × 11,712,299.26
  4. Step 4: Simplify right side
    12,860,211.82x = 226,835,629,152,679
  5. Step 5: Solve for x
    x = 226,835,629,152,679/12,860,211.82
  6. Step 6: Final answer
    x = 17,638,560.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.