Home / 12,482,021.20-18,723,031.80-3,026,405.20

Finding the Fourth Proportional to 12,482,021.20, 18,723,031.80 and 3,026,405.20

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Solution

The fourth proportional to 12,482,021.20, 18,723,031.80 and 3,026,405.20 is: 4,539,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,021.20 : 18,723,031.80 = 3,026,405.20 : x
  2. Step 2: Convert to fraction form
    12,482,021.20/18,723,031.80 = 3,026,405.20/x
  3. Step 3: Cross multiply
    12,482,021.20x = 18,723,031.80 × 3,026,405.20
  4. Step 4: Simplify right side
    12,482,021.20x = 56,663,480,799,285.37
  5. Step 5: Solve for x
    x = 56,663,480,799,285.37/12,482,021.20
  6. Step 6: Final answer
    x = 4,539,607.80

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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.