Home / 10,400,578.80-15,582,205.80-8,907,586.80

Finding the Fourth Proportional to 10,400,578.80, 15,582,205.80 and 8,907,586.80

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Solution

The fourth proportional to 10,400,578.80, 15,582,205.80 and 8,907,586.80 is: 13,345,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400,578.80 : 15,582,205.80 = 8,907,586.80 : x
  2. Step 2: Convert to fraction form
    10,400,578.80/15,582,205.80 = 8,907,586.80/x
  3. Step 3: Cross multiply
    10,400,578.80x = 15,582,205.80 × 8,907,586.80
  4. Step 4: Simplify right side
    10,400,578.80x = 138,799,850,698,963.45
  5. Step 5: Solve for x
    x = 138,799,850,698,963.45/10,400,578.80
  6. Step 6: Final answer
    x = 13,345,396.77

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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.