Home / 21,959,500.94-30,302,326.70-12,170,357.72

Finding the Fourth Proportional to 21,959,500.94, 30,302,326.70 and 12,170,357.72

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Solution

The fourth proportional to 21,959,500.94, 30,302,326.70 and 12,170,357.72 is: 16,794,104.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,959,500.94 : 30,302,326.70 = 12,170,357.72 : x
  2. Step 2: Convert to fraction form
    21,959,500.94/30,302,326.70 = 12,170,357.72/x
  3. Step 3: Cross multiply
    21,959,500.94x = 30,302,326.70 × 12,170,357.72
  4. Step 4: Simplify right side
    21,959,500.94x = 368,790,155,474,943.69
  5. Step 5: Solve for x
    x = 368,790,155,474,943.69/21,959,500.94
  6. Step 6: Final answer
    x = 16,794,104.59

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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.