Home / 21,388,710.76-29,517,669.24-12,097,104.57

Finding the Fourth Proportional to 21,388,710.76, 29,517,669.24 and 12,097,104.57

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Solution

The fourth proportional to 21,388,710.76, 29,517,669.24 and 12,097,104.57 is: 16,694,710.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388,710.76 : 29,517,669.24 = 12,097,104.57 : x
  2. Step 2: Convert to fraction form
    21,388,710.76/29,517,669.24 = 12,097,104.57/x
  3. Step 3: Cross multiply
    21,388,710.76x = 29,517,669.24 × 12,097,104.57
  4. Step 4: Simplify right side
    21,388,710.76x = 357,078,331,458,952.44
  5. Step 5: Solve for x
    x = 357,078,331,458,952.44/21,388,710.76
  6. Step 6: Final answer
    x = 16,694,710.38

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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.