Home / 12,430,150.20-17,154,468.40-7,535,578.60

Finding the Fourth Proportional to 12,430,150.20, 17,154,468.40 and 7,535,578.60

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Solution

The fourth proportional to 12,430,150.20, 17,154,468.40 and 7,535,578.60 is: 10,399,620.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430,150.20 : 17,154,468.40 = 7,535,578.60 : x
  2. Step 2: Convert to fraction form
    12,430,150.20/17,154,468.40 = 7,535,578.60/x
  3. Step 3: Cross multiply
    12,430,150.20x = 17,154,468.40 × 7,535,578.60
  4. Step 4: Simplify right side
    12,430,150.20x = 129,268,844,969,416.22
  5. Step 5: Solve for x
    x = 129,268,844,969,416.22/12,430,150.20
  6. Step 6: Final answer
    x = 10,399,620.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.