Home / 10,879,772.20-16,314,992.70-5,486,338.60

Finding the Fourth Proportional to 10,879,772.20, 16,314,992.70 and 5,486,338.60

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Solution

The fourth proportional to 10,879,772.20, 16,314,992.70 and 5,486,338.60 is: 8,227,155.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879,772.20 : 16,314,992.70 = 5,486,338.60 : x
  2. Step 2: Convert to fraction form
    10,879,772.20/16,314,992.70 = 5,486,338.60/x
  3. Step 3: Cross multiply
    10,879,772.20x = 16,314,992.70 × 5,486,338.60
  4. Step 4: Simplify right side
    10,879,772.20x = 89,509,574,208,728.20
  5. Step 5: Solve for x
    x = 89,509,574,208,728.20/10,879,772.20
  6. Step 6: Final answer
    x = 8,227,155.18

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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.