Home / 21,477,098.45-29,638,400.70-11,819,306.45

Finding the Fourth Proportional to 21,477,098.45, 29,638,400.70 and 11,819,306.45

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Solution

The fourth proportional to 21,477,098.45, 29,638,400.70 and 11,819,306.45 is: 16,310,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477,098.45 : 29,638,400.70 = 11,819,306.45 : x
  2. Step 2: Convert to fraction form
    21,477,098.45/29,638,400.70 = 11,819,306.45/x
  3. Step 3: Cross multiply
    21,477,098.45x = 29,638,400.70 × 11,819,306.45
  4. Step 4: Simplify right side
    21,477,098.45x = 350,305,340,413,002.50
  5. Step 5: Solve for x
    x = 350,305,340,413,002.50/21,477,098.45
  6. Step 6: Final answer
    x = 16,310,645.56

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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.