Home / 10,624,880.80-15,854,453.60-9,479,771.20

Finding the Fourth Proportional to 10,624,880.80, 15,854,453.60 and 9,479,771.20

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Solution

The fourth proportional to 10,624,880.80, 15,854,453.60 and 9,479,771.20 is: 14,145,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,624,880.80 : 15,854,453.60 = 9,479,771.20 : x
  2. Step 2: Convert to fraction form
    10,624,880.80/15,854,453.60 = 9,479,771.20/x
  3. Step 3: Cross multiply
    10,624,880.80x = 15,854,453.60 × 9,479,771.20
  4. Step 4: Simplify right side
    10,624,880.80x = 150,296,592,629,016.31
  5. Step 5: Solve for x
    x = 150,296,592,629,016.31/10,624,880.80
  6. Step 6: Final answer
    x = 14,145,720.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.