Home / 23,101,961.09-31,880,958.24-12,788,856.41

Finding the Fourth Proportional to 23,101,961.09, 31,880,958.24 and 12,788,856.41

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Solution

The fourth proportional to 23,101,961.09, 31,880,958.24 and 12,788,856.41 is: 17,648,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,101,961.09 : 31,880,958.24 = 12,788,856.41 : x
  2. Step 2: Convert to fraction form
    23,101,961.09/31,880,958.24 = 12,788,856.41/x
  3. Step 3: Cross multiply
    23,101,961.09x = 31,880,958.24 × 12,788,856.41
  4. Step 4: Simplify right side
    23,101,961.09x = 407,720,996,921,217.19
  5. Step 5: Solve for x
    x = 407,720,996,921,217.19/23,101,961.09
  6. Step 6: Final answer
    x = 17,648,761.31

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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.