Home / 13,269,260-18,313,338.12-7,469,167.52

Finding the Fourth Proportional to 13,269,260, 18,313,338.12 and 7,469,167.52

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Solution

The fourth proportional to 13,269,260, 18,313,338.12 and 7,469,167.52 is: 10,308,441.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,260 : 18,313,338.12 = 7,469,167.52 : x
  2. Step 2: Convert to fraction form
    13,269,260/18,313,338.12 = 7,469,167.52/x
  3. Step 3: Cross multiply
    13,269,260x = 18,313,338.12 × 7,469,167.52
  4. Step 4: Simplify right side
    13,269,260x = 136,785,390,268,681.86
  5. Step 5: Solve for x
    x = 136,785,390,268,681.86/13,269,260
  6. Step 6: Final answer
    x = 10,308,441.49

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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.