Home / 10,992,980.80-16,484,805.60-5,314,945.60

Finding the Fourth Proportional to 10,992,980.80, 16,484,805.60 and 5,314,945.60

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Solution

The fourth proportional to 10,992,980.80, 16,484,805.60 and 5,314,945.60 is: 7,970,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,980.80 : 16,484,805.60 = 5,314,945.60 : x
  2. Step 2: Convert to fraction form
    10,992,980.80/16,484,805.60 = 5,314,945.60/x
  3. Step 3: Cross multiply
    10,992,980.80x = 16,484,805.60 × 5,314,945.60
  4. Step 4: Simplify right side
    10,992,980.80x = 87,615,844,990,575.36
  5. Step 5: Solve for x
    x = 87,615,844,990,575.36/10,992,980.80
  6. Step 6: Final answer
    x = 7,970,162.65

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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.