Home / 12,534,742.98-17,291,578.28-8,186,374.62

Finding the Fourth Proportional to 12,534,742.98, 17,291,578.28 and 8,186,374.62

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Solution

The fourth proportional to 12,534,742.98, 17,291,578.28 and 8,186,374.62 is: 11,293,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534,742.98 : 17,291,578.28 = 8,186,374.62 : x
  2. Step 2: Convert to fraction form
    12,534,742.98/17,291,578.28 = 8,186,374.62/x
  3. Step 3: Cross multiply
    12,534,742.98x = 17,291,578.28 × 8,186,374.62
  4. Step 4: Simplify right side
    12,534,742.98x = 141,555,337,530,203.38
  5. Step 5: Solve for x
    x = 141,555,337,530,203.38/12,534,742.98
  6. Step 6: Final answer
    x = 11,293,038.70

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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.