Home / 12,698,449.20-19,019,680.20-11,018,833.20

Finding the Fourth Proportional to 12,698,449.20, 19,019,680.20 and 11,018,833.20

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Solution

The fourth proportional to 12,698,449.20, 19,019,680.20 and 11,018,833.20 is: 16,503,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698,449.20 : 19,019,680.20 = 11,018,833.20 : x
  2. Step 2: Convert to fraction form
    12,698,449.20/19,019,680.20 = 11,018,833.20/x
  3. Step 3: Cross multiply
    12,698,449.20x = 19,019,680.20 × 11,018,833.20
  4. Step 4: Simplify right side
    12,698,449.20x = 209,574,683,641,142.62
  5. Step 5: Solve for x
    x = 209,574,683,641,142.62/12,698,449.20
  6. Step 6: Final answer
    x = 16,503,958.90

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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.