Home / 10,658,615.40-15,987,923.10-8,792,375.40

Finding the Fourth Proportional to 10,658,615.40, 15,987,923.10 and 8,792,375.40

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Solution

The fourth proportional to 10,658,615.40, 15,987,923.10 and 8,792,375.40 is: 13,188,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658,615.40 : 15,987,923.10 = 8,792,375.40 : x
  2. Step 2: Convert to fraction form
    10,658,615.40/15,987,923.10 = 8,792,375.40/x
  3. Step 3: Cross multiply
    10,658,615.40x = 15,987,923.10 × 8,792,375.40
  4. Step 4: Simplify right side
    10,658,615.40x = 140,571,821,761,531.75
  5. Step 5: Solve for x
    x = 140,571,821,761,531.75/10,658,615.40
  6. Step 6: Final answer
    x = 13,188,563.10

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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.