Home / 15,374,171.99-21,215,524.76-8,498,211.19

Finding the Fourth Proportional to 15,374,171.99, 21,215,524.76 and 8,498,211.19

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Solution

The fourth proportional to 15,374,171.99, 21,215,524.76 and 8,498,211.19 is: 11,727,071.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374,171.99 : 21,215,524.76 = 8,498,211.19 : x
  2. Step 2: Convert to fraction form
    15,374,171.99/21,215,524.76 = 8,498,211.19/x
  3. Step 3: Cross multiply
    15,374,171.99x = 21,215,524.76 × 8,498,211.19
  4. Step 4: Simplify right side
    15,374,171.99x = 180,294,009,853,492.47
  5. Step 5: Solve for x
    x = 180,294,009,853,492.47/15,374,171.99
  6. Step 6: Final answer
    x = 11,727,071.22

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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.