Home / 8,136,903.20-12,219,351.60-5,757,447.20

Finding the Fourth Proportional to 8,136,903.20, 12,219,351.60 and 5,757,447.20

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Solution

The fourth proportional to 8,136,903.20, 12,219,351.60 and 5,757,447.20 is: 8,646,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136,903.20 : 12,219,351.60 = 5,757,447.20 : x
  2. Step 2: Convert to fraction form
    8,136,903.20/12,219,351.60 = 5,757,447.20/x
  3. Step 3: Cross multiply
    8,136,903.20x = 12,219,351.60 × 5,757,447.20
  4. Step 4: Simplify right side
    8,136,903.20x = 70,352,271,655,235.52
  5. Step 5: Solve for x
    x = 70,352,271,655,235.52/8,136,903.20
  6. Step 6: Final answer
    x = 8,646,074.55

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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.