Home / 13,022,172.24-17,970,927.65-7,142,040.52

Finding the Fourth Proportional to 13,022,172.24, 17,970,927.65 and 7,142,040.52

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Solution

The fourth proportional to 13,022,172.24, 17,970,927.65 and 7,142,040.52 is: 9,856,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022,172.24 : 17,970,927.65 = 7,142,040.52 : x
  2. Step 2: Convert to fraction form
    13,022,172.24/17,970,927.65 = 7,142,040.52/x
  3. Step 3: Cross multiply
    13,022,172.24x = 17,970,927.65 × 7,142,040.52
  4. Step 4: Simplify right side
    13,022,172.24x = 128,349,093,458,288.36
  5. Step 5: Solve for x
    x = 128,349,093,458,288.36/13,022,172.24
  6. Step 6: Final answer
    x = 9,856,196.88

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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.