Home / 21,477,099.96-29,638,402.77-11,819,307.96

Finding the Fourth Proportional to 21,477,099.96, 29,638,402.77 and 11,819,307.96

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Solution

The fourth proportional to 21,477,099.96, 29,638,402.77 and 11,819,307.96 is: 16,310,647.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477,099.96 : 29,638,402.77 = 11,819,307.96 : x
  2. Step 2: Convert to fraction form
    21,477,099.96/29,638,402.77 = 11,819,307.96/x
  3. Step 3: Cross multiply
    21,477,099.96x = 29,638,402.77 × 11,819,307.96
  4. Step 4: Simplify right side
    21,477,099.96x = 350,305,409,781,147.06
  5. Step 5: Solve for x
    x = 350,305,409,781,147.06/21,477,099.96
  6. Step 6: Final answer
    x = 16,310,647.64

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1.5x scale

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.