Home / 10,993,316.80-16,485,309.60-5,315,281.60

Finding the Fourth Proportional to 10,993,316.80, 16,485,309.60 and 5,315,281.60

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Solution

The fourth proportional to 10,993,316.80, 16,485,309.60 and 5,315,281.60 is: 7,970,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993,316.80 : 16,485,309.60 = 5,315,281.60 : x
  2. Step 2: Convert to fraction form
    10,993,316.80/16,485,309.60 = 5,315,281.60/x
  3. Step 3: Cross multiply
    10,993,316.80x = 16,485,309.60 × 5,315,281.60
  4. Step 4: Simplify right side
    10,993,316.80x = 87,624,062,787,183.36
  5. Step 5: Solve for x
    x = 87,624,062,787,183.36/10,993,316.80
  6. Step 6: Final answer
    x = 7,970,666.58

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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.