Home / 10,991,140.80-16,482,045.60-5,313,105.60

Finding the Fourth Proportional to 10,991,140.80, 16,482,045.60 and 5,313,105.60

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Solution

The fourth proportional to 10,991,140.80, 16,482,045.60 and 5,313,105.60 is: 7,967,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991,140.80 : 16,482,045.60 = 5,313,105.60 : x
  2. Step 2: Convert to fraction form
    10,991,140.80/16,482,045.60 = 5,313,105.60/x
  3. Step 3: Cross multiply
    10,991,140.80x = 16,482,045.60 × 5,313,105.60
  4. Step 4: Simplify right side
    10,991,140.80x = 87,570,848,776,815.36
  5. Step 5: Solve for x
    x = 87,570,848,776,815.36/10,991,140.80
  6. Step 6: Final answer
    x = 7,967,403.05

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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.