Home / 13,022,177.44-17,970,934.83-7,142,045.74

Finding the Fourth Proportional to 13,022,177.44, 17,970,934.83 and 7,142,045.74

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Solution

The fourth proportional to 13,022,177.44, 17,970,934.83 and 7,142,045.74 is: 9,856,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022,177.44 : 17,970,934.83 = 7,142,045.74 : x
  2. Step 2: Convert to fraction form
    13,022,177.44/17,970,934.83 = 7,142,045.74/x
  3. Step 3: Cross multiply
    13,022,177.44x = 17,970,934.83 × 7,142,045.74
  4. Step 4: Simplify right side
    13,022,177.44x = 128,349,238,510,708.89
  5. Step 5: Solve for x
    x = 128,349,238,510,708.89/13,022,177.44
  6. Step 6: Final answer
    x = 9,856,204.09

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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.