Home / 21,477,103.53-29,638,407.69-11,819,311.53

Finding the Fourth Proportional to 21,477,103.53, 29,638,407.69 and 11,819,311.53

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Solution

The fourth proportional to 21,477,103.53, 29,638,407.69 and 11,819,311.53 is: 16,310,652.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477,103.53 : 29,638,407.69 = 11,819,311.53 : x
  2. Step 2: Convert to fraction form
    21,477,103.53/29,638,407.69 = 11,819,311.53/x
  3. Step 3: Cross multiply
    21,477,103.53x = 29,638,407.69 × 11,819,311.53
  4. Step 4: Simplify right side
    21,477,103.53x = 350,305,573,533,969.06
  5. Step 5: Solve for x
    x = 350,305,573,533,969.06/21,477,103.53
  6. Step 6: Final answer
    x = 16,310,652.56

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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.