Home / 13,115,130.16-18,098,844.48-7,313,918.56

Finding the Fourth Proportional to 13,115,130.16, 18,098,844.48 and 7,313,918.56

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Solution

The fourth proportional to 13,115,130.16, 18,098,844.48 and 7,313,918.56 is: 10,093,188.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,130.16 : 18,098,844.48 = 7,313,918.56 : x
  2. Step 2: Convert to fraction form
    13,115,130.16/18,098,844.48 = 7,313,918.56/x
  3. Step 3: Cross multiply
    13,115,130.16x = 18,098,844.48 × 7,313,918.56
  4. Step 4: Simplify right side
    13,115,130.16x = 132,373,474,556,825.55
  5. Step 5: Solve for x
    x = 132,373,474,556,825.55/13,115,130.16
  6. Step 6: Final answer
    x = 10,093,188.02

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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.