Home / 12,429,715.44-17,153,869.41-7,535,143.83

Finding the Fourth Proportional to 12,429,715.44, 17,153,869.41 and 7,535,143.83

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Solution

The fourth proportional to 12,429,715.44, 17,153,869.41 and 7,535,143.83 is: 10,399,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429,715.44 : 17,153,869.41 = 7,535,143.83 : x
  2. Step 2: Convert to fraction form
    12,429,715.44/17,153,869.41 = 7,535,143.83/x
  3. Step 3: Cross multiply
    12,429,715.44x = 17,153,869.41 × 7,535,143.83
  4. Step 4: Simplify right side
    12,429,715.44x = 129,256,873,245,387.25
  5. Step 5: Solve for x
    x = 129,256,873,245,387.25/12,429,715.44
  6. Step 6: Final answer
    x = 10,399,021.11

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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.