Home / 13,167,034.21-19,728,983.41-7,012,481.50

Finding the Fourth Proportional to 13,167,034.21, 19,728,983.41 and 7,012,481.50

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Solution

The fourth proportional to 13,167,034.21, 19,728,983.41 and 7,012,481.50 is: 10,507,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167,034.21 : 19,728,983.41 = 7,012,481.50 : x
  2. Step 2: Convert to fraction form
    13,167,034.21/19,728,983.41 = 7,012,481.50/x
  3. Step 3: Cross multiply
    13,167,034.21x = 19,728,983.41 × 7,012,481.50
  4. Step 4: Simplify right side
    13,167,034.21x = 138,349,131,112,031.62
  5. Step 5: Solve for x
    x = 138,349,131,112,031.62/13,167,034.21
  6. Step 6: Final answer
    x = 10,507,235.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.