Home / 12,214,432.80-18,309,985.20-4,536,021.60

Finding the Fourth Proportional to 12,214,432.80, 18,309,985.20 and 4,536,021.60

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Solution

The fourth proportional to 12,214,432.80, 18,309,985.20 and 4,536,021.60 is: 6,799,700.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214,432.80 : 18,309,985.20 = 4,536,021.60 : x
  2. Step 2: Convert to fraction form
    12,214,432.80/18,309,985.20 = 4,536,021.60/x
  3. Step 3: Cross multiply
    12,214,432.80x = 18,309,985.20 × 4,536,021.60
  4. Step 4: Simplify right side
    12,214,432.80x = 83,054,488,362,880.31
  5. Step 5: Solve for x
    x = 83,054,488,362,880.31/12,214,432.80
  6. Step 6: Final answer
    x = 6,799,700.79

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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.