Home / 18,682,734.30-28,024,101.45-8,605,038.30

Finding the Fourth Proportional to 18,682,734.30, 28,024,101.45 and 8,605,038.30

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Solution

The fourth proportional to 18,682,734.30, 28,024,101.45 and 8,605,038.30 is: 12,907,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682,734.30 : 28,024,101.45 = 8,605,038.30 : x
  2. Step 2: Convert to fraction form
    18,682,734.30/28,024,101.45 = 8,605,038.30/x
  3. Step 3: Cross multiply
    18,682,734.30x = 28,024,101.45 × 8,605,038.30
  4. Step 4: Simplify right side
    18,682,734.30x = 241,148,466,300,335.56
  5. Step 5: Solve for x
    x = 241,148,466,300,335.56/18,682,734.30
  6. Step 6: Final answer
    x = 12,907,557.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.