Home / 13,109,025.62-18,091,532.42-7,229,809.71

Finding the Fourth Proportional to 13,109,025.62, 18,091,532.42 and 7,229,809.71

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Solution

The fourth proportional to 13,109,025.62, 18,091,532.42 and 7,229,809.71 is: 9,977,731.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109,025.62 : 18,091,532.42 = 7,229,809.71 : x
  2. Step 2: Convert to fraction form
    13,109,025.62/18,091,532.42 = 7,229,809.71/x
  3. Step 3: Cross multiply
    13,109,025.62x = 18,091,532.42 × 7,229,809.71
  4. Step 4: Simplify right side
    13,109,025.62x = 130,798,336,749,858.53
  5. Step 5: Solve for x
    x = 130,798,336,749,858.53/13,109,025.62
  6. Step 6: Final answer
    x = 9,977,731.41

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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.