Home / 21,408,999.56-29,544,702.84-11,619,561.10

Finding the Fourth Proportional to 21,408,999.56, 29,544,702.84 and 11,619,561.10

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Solution

The fourth proportional to 21,408,999.56, 29,544,702.84 and 11,619,561.10 is: 16,035,148.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,408,999.56 : 29,544,702.84 = 11,619,561.10 : x
  2. Step 2: Convert to fraction form
    21,408,999.56/29,544,702.84 = 11,619,561.10/x
  3. Step 3: Cross multiply
    21,408,999.56x = 29,544,702.84 × 11,619,561.10
  4. Step 4: Simplify right side
    21,408,999.56x = 343,296,479,761,834.69
  5. Step 5: Solve for x
    x = 343,296,479,761,834.69/21,408,999.56
  6. Step 6: Final answer
    x = 16,035,148.15

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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.