Home / 13,382,896.70-20,074,345.05-9,631,754.30

Finding the Fourth Proportional to 13,382,896.70, 20,074,345.05 and 9,631,754.30

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Solution

The fourth proportional to 13,382,896.70, 20,074,345.05 and 9,631,754.30 is: 14,447,631.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382,896.70 : 20,074,345.05 = 9,631,754.30 : x
  2. Step 2: Convert to fraction form
    13,382,896.70/20,074,345.05 = 9,631,754.30/x
  3. Step 3: Cross multiply
    13,382,896.70x = 20,074,345.05 × 9,631,754.30
  4. Step 4: Simplify right side
    13,382,896.70x = 193,351,159,255,021.25
  5. Step 5: Solve for x
    x = 193,351,159,255,021.25/13,382,896.70
  6. Step 6: Final answer
    x = 14,447,631.45

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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.