Home / 15,275,568.52-21,080,433.54-8,400,097

Finding the Fourth Proportional to 15,275,568.52, 21,080,433.54 and 8,400,097

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Solution

The fourth proportional to 15,275,568.52, 21,080,433.54 and 8,400,097 is: 11,592,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,275,568.52 : 21,080,433.54 = 8,400,097 : x
  2. Step 2: Convert to fraction form
    15,275,568.52/21,080,433.54 = 8,400,097/x
  3. Step 3: Cross multiply
    15,275,568.52x = 21,080,433.54 × 8,400,097
  4. Step 4: Simplify right side
    15,275,568.52x = 177,077,686,538,053.38
  5. Step 5: Solve for x
    x = 177,077,686,538,053.38/15,275,568.52
  6. Step 6: Final answer
    x = 11,592,215.79

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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.