Home / 12,696,308.51-19,012,132.82-8,365,228.11

Finding the Fourth Proportional to 12,696,308.51, 19,012,132.82 and 8,365,228.11

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Solution

The fourth proportional to 12,696,308.51, 19,012,132.82 and 8,365,228.11 is: 12,526,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,308.51 : 19,012,132.82 = 8,365,228.11 : x
  2. Step 2: Convert to fraction form
    12,696,308.51/19,012,132.82 = 8,365,228.11/x
  3. Step 3: Cross multiply
    12,696,308.51x = 19,012,132.82 × 8,365,228.11
  4. Step 4: Simplify right side
    12,696,308.51x = 159,040,827,917,830.66
  5. Step 5: Solve for x
    x = 159,040,827,917,830.66/12,696,308.51
  6. Step 6: Final answer
    x = 12,526,540.91

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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.