Home / 12,860,209.82-19,367,298.32-11,712,297.26

Finding the Fourth Proportional to 12,860,209.82, 19,367,298.32 and 11,712,297.26

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Solution

The fourth proportional to 12,860,209.82, 19,367,298.32 and 11,712,297.26 is: 17,638,557.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860,209.82 : 19,367,298.32 = 11,712,297.26 : x
  2. Step 2: Convert to fraction form
    12,860,209.82/19,367,298.32 = 11,712,297.26/x
  3. Step 3: Cross multiply
    12,860,209.82x = 19,367,298.32 × 11,712,297.26
  4. Step 4: Simplify right side
    12,860,209.82x = 226,835,555,046,938.59
  5. Step 5: Solve for x
    x = 226,835,555,046,938.59/12,860,209.82
  6. Step 6: Final answer
    x = 17,638,557.86

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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.