Home / 12,986,865.30-17,914,065.48-8,576,631.58

Finding the Fourth Proportional to 12,986,865.30, 17,914,065.48 and 8,576,631.58

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Solution

The fourth proportional to 12,986,865.30, 17,914,065.48 and 8,576,631.58 is: 11,830,594.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,986,865.30 : 17,914,065.48 = 8,576,631.58 : x
  2. Step 2: Convert to fraction form
    12,986,865.30/17,914,065.48 = 8,576,631.58/x
  3. Step 3: Cross multiply
    12,986,865.30x = 17,914,065.48 × 8,576,631.58
  4. Step 4: Simplify right side
    12,986,865.30x = 153,642,339,721,955.88
  5. Step 5: Solve for x
    x = 153,642,339,721,955.88/12,986,865.30
  6. Step 6: Final answer
    x = 11,830,594.69

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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.