Home / 9,987,641.72-14,938,183.78-5,879,171.46

Finding the Fourth Proportional to 9,987,641.72, 14,938,183.78 and 5,879,171.46

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Solution

The fourth proportional to 9,987,641.72, 14,938,183.78 and 5,879,171.46 is: 8,793,281.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987,641.72 : 14,938,183.78 = 5,879,171.46 : x
  2. Step 2: Convert to fraction form
    9,987,641.72/14,938,183.78 = 5,879,171.46/x
  3. Step 3: Cross multiply
    9,987,641.72x = 14,938,183.78 × 5,879,171.46
  4. Step 4: Simplify right side
    9,987,641.72x = 87,824,143,743,610.92
  5. Step 5: Solve for x
    x = 87,824,143,743,610.92/9,987,641.72
  6. Step 6: Final answer
    x = 8,793,281.36

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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.