Home / 12,986,887.25-17,914,095.78-8,576,653.46

Finding the Fourth Proportional to 12,986,887.25, 17,914,095.78 and 8,576,653.46

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Solution

The fourth proportional to 12,986,887.25, 17,914,095.78 and 8,576,653.46 is: 11,830,624.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,986,887.25 : 17,914,095.78 = 8,576,653.46 : x
  2. Step 2: Convert to fraction form
    12,986,887.25/17,914,095.78 = 8,576,653.46/x
  3. Step 3: Cross multiply
    12,986,887.25x = 17,914,095.78 × 8,576,653.46
  4. Step 4: Simplify right side
    12,986,887.25x = 153,642,991,464,737.94
  5. Step 5: Solve for x
    x = 153,642,991,464,737.94/12,986,887.25
  6. Step 6: Final answer
    x = 11,830,624.89

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1.5x scale

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.