Home / 12,752,941.52-17,598,180.02-7,172,022.54

Finding the Fourth Proportional to 12,752,941.52, 17,598,180.02 and 7,172,022.54

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Solution

The fourth proportional to 12,752,941.52, 17,598,180.02 and 7,172,022.54 is: 9,896,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752,941.52 : 17,598,180.02 = 7,172,022.54 : x
  2. Step 2: Convert to fraction form
    12,752,941.52/17,598,180.02 = 7,172,022.54/x
  3. Step 3: Cross multiply
    12,752,941.52x = 17,598,180.02 × 7,172,022.54
  4. Step 4: Simplify right side
    12,752,941.52x = 126,214,543,766,417.64
  5. Step 5: Solve for x
    x = 126,214,543,766,417.64/12,752,941.52
  6. Step 6: Final answer
    x = 9,896,896.62

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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.