Home / 22,500,896.11-31,051,237.67-12,187,619.21

Finding the Fourth Proportional to 22,500,896.11, 31,051,237.67 and 12,187,619.21

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Solution

The fourth proportional to 22,500,896.11, 31,051,237.67 and 12,187,619.21 is: 16,818,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,500,896.11 : 31,051,237.67 = 12,187,619.21 : x
  2. Step 2: Convert to fraction form
    22,500,896.11/31,051,237.67 = 12,187,619.21/x
  3. Step 3: Cross multiply
    22,500,896.11x = 31,051,237.67 × 12,187,619.21
  4. Step 4: Simplify right side
    22,500,896.11x = 378,440,660,751,636.69
  5. Step 5: Solve for x
    x = 378,440,660,751,636.69/22,500,896.11
  6. Step 6: Final answer
    x = 16,818,915.08

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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.