Home / 21,477,099.95-29,638,402.77-11,819,307.95

Finding the Fourth Proportional to 21,477,099.95, 29,638,402.77 and 11,819,307.95

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Solution

The fourth proportional to 21,477,099.95, 29,638,402.77 and 11,819,307.95 is: 16,310,647.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477,099.95 : 29,638,402.77 = 11,819,307.95 : x
  2. Step 2: Convert to fraction form
    21,477,099.95/29,638,402.77 = 11,819,307.95/x
  3. Step 3: Cross multiply
    21,477,099.95x = 29,638,402.77 × 11,819,307.95
  4. Step 4: Simplify right side
    21,477,099.95x = 350,305,409,336,571
  5. Step 5: Solve for x
    x = 350,305,409,336,571/21,477,099.95
  6. Step 6: Final answer
    x = 16,310,647.63

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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.