Home / 10,879,657.20-16,300,823.40-5,187,625.20

Finding the Fourth Proportional to 10,879,657.20, 16,300,823.40 and 5,187,625.20

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Solution

The fourth proportional to 10,879,657.20, 16,300,823.40 and 5,187,625.20 is: 7,772,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879,657.20 : 16,300,823.40 = 5,187,625.20 : x
  2. Step 2: Convert to fraction form
    10,879,657.20/16,300,823.40 = 5,187,625.20/x
  3. Step 3: Cross multiply
    10,879,657.20x = 16,300,823.40 × 5,187,625.20
  4. Step 4: Simplify right side
    10,879,657.20x = 84,562,562,250,589.69
  5. Step 5: Solve for x
    x = 84,562,562,250,589.69/10,879,657.20
  6. Step 6: Final answer
    x = 7,772,539.22

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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.