Home / 13,291,281.70-19,936,922.55-9,932,049.70

Finding the Fourth Proportional to 13,291,281.70, 19,936,922.55 and 9,932,049.70

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Solution

The fourth proportional to 13,291,281.70, 19,936,922.55 and 9,932,049.70 is: 14,898,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,281.70 : 19,936,922.55 = 9,932,049.70 : x
  2. Step 2: Convert to fraction form
    13,291,281.70/19,936,922.55 = 9,932,049.70/x
  3. Step 3: Cross multiply
    13,291,281.70x = 19,936,922.55 × 9,932,049.70
  4. Step 4: Simplify right side
    13,291,281.70x = 198,014,505,631,650.72
  5. Step 5: Solve for x
    x = 198,014,505,631,650.72/13,291,281.70
  6. Step 6: Final answer
    x = 14,898,074.55

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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.