Home / 21,150,922.34-29,188,201.28-11,985,312.26

Finding the Fourth Proportional to 21,150,922.34, 29,188,201.28 and 11,985,312.26

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Solution

The fourth proportional to 21,150,922.34, 29,188,201.28 and 11,985,312.26 is: 16,539,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,150,922.34 : 29,188,201.28 = 11,985,312.26 : x
  2. Step 2: Convert to fraction form
    21,150,922.34/29,188,201.28 = 11,985,312.26/x
  3. Step 3: Cross multiply
    21,150,922.34x = 29,188,201.28 × 11,985,312.26
  4. Step 4: Simplify right side
    21,150,922.34x = 349,829,706,648,531.69
  5. Step 5: Solve for x
    x = 349,829,706,648,531.69/21,150,922.34
  6. Step 6: Final answer
    x = 16,539,690.37

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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.