Home / 13,293,374.82-18,346,317.03-7,712,850.66

Finding the Fourth Proportional to 13,293,374.82, 18,346,317.03 and 7,712,850.66

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Solution

The fourth proportional to 13,293,374.82, 18,346,317.03 and 7,712,850.66 is: 10,644,580.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293,374.82 : 18,346,317.03 = 7,712,850.66 : x
  2. Step 2: Convert to fraction form
    13,293,374.82/18,346,317.03 = 7,712,850.66/x
  3. Step 3: Cross multiply
    13,293,374.82x = 18,346,317.03 × 7,712,850.66
  4. Step 4: Simplify right side
    13,293,374.82x = 141,502,403,413,404.75
  5. Step 5: Solve for x
    x = 141,502,403,413,404.75/13,293,374.82
  6. Step 6: Final answer
    x = 10,644,580.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.