Home / 12,629,798.72-18,939,995.04-4,540,567.04

Finding the Fourth Proportional to 12,629,798.72, 18,939,995.04 and 4,540,567.04

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Solution

The fourth proportional to 12,629,798.72, 18,939,995.04 and 4,540,567.04 is: 6,809,159.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629,798.72 : 18,939,995.04 = 4,540,567.04 : x
  2. Step 2: Convert to fraction form
    12,629,798.72/18,939,995.04 = 4,540,567.04/x
  3. Step 3: Cross multiply
    12,629,798.72x = 18,939,995.04 × 4,540,567.04
  4. Step 4: Simplify right side
    12,629,798.72x = 85,998,317,216,387.48
  5. Step 5: Solve for x
    x = 85,998,317,216,387.48/12,629,798.72
  6. Step 6: Final answer
    x = 6,809,159.76

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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.