Home / 13,022,171.24-17,970,926.27-7,142,039.52

Finding the Fourth Proportional to 13,022,171.24, 17,970,926.27 and 7,142,039.52

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Solution

The fourth proportional to 13,022,171.24, 17,970,926.27 and 7,142,039.52 is: 9,856,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022,171.24 : 17,970,926.27 = 7,142,039.52 : x
  2. Step 2: Convert to fraction form
    13,022,171.24/17,970,926.27 = 7,142,039.52/x
  3. Step 3: Cross multiply
    13,022,171.24x = 17,970,926.27 × 7,142,039.52
  4. Step 4: Simplify right side
    13,022,171.24x = 128,349,065,595,635.98
  5. Step 5: Solve for x
    x = 128,349,065,595,635.98/13,022,171.24
  6. Step 6: Final answer
    x = 9,856,195.51

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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.