Home / 12,272,467.20-18,408,700.80-5,446,402.80

Finding the Fourth Proportional to 12,272,467.20, 18,408,700.80 and 5,446,402.80

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Solution

The fourth proportional to 12,272,467.20, 18,408,700.80 and 5,446,402.80 is: 8,169,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272,467.20 : 18,408,700.80 = 5,446,402.80 : x
  2. Step 2: Convert to fraction form
    12,272,467.20/18,408,700.80 = 5,446,402.80/x
  3. Step 3: Cross multiply
    12,272,467.20x = 18,408,700.80 × 5,446,402.80
  4. Step 4: Simplify right side
    12,272,467.20x = 100,261,199,581,482.23
  5. Step 5: Solve for x
    x = 100,261,199,581,482.23/12,272,467.20
  6. Step 6: Final answer
    x = 8,169,604.20

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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.