Home / 21,110,071.64-29,131,675.72-11,817,717.82

Finding the Fourth Proportional to 21,110,071.64, 29,131,675.72 and 11,817,717.82

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Solution

The fourth proportional to 21,110,071.64, 29,131,675.72 and 11,817,717.82 is: 16,308,325.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,110,071.64 : 29,131,675.72 = 11,817,717.82 : x
  2. Step 2: Convert to fraction form
    21,110,071.64/29,131,675.72 = 11,817,717.82/x
  3. Step 3: Cross multiply
    21,110,071.64x = 29,131,675.72 × 11,817,717.82
  4. Step 4: Simplify right side
    21,110,071.64x = 344,269,923,180,331.88
  5. Step 5: Solve for x
    x = 344,269,923,180,331.88/21,110,071.64
  6. Step 6: Final answer
    x = 16,308,325.67

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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.