Home / 23,100,198.32-31,877,886.60-12,786,699.44

Finding the Fourth Proportional to 23,100,198.32, 31,877,886.60 and 12,786,699.44

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Solution

The fourth proportional to 23,100,198.32, 31,877,886.60 and 12,786,699.44 is: 17,645,430.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,100,198.32 : 31,877,886.60 = 12,786,699.44 : x
  2. Step 2: Convert to fraction form
    23,100,198.32/31,877,886.60 = 12,786,699.44/x
  3. Step 3: Cross multiply
    23,100,198.32x = 31,877,886.60 × 12,786,699.44
  4. Step 4: Simplify right side
    23,100,198.32x = 407,612,954,736,603.50
  5. Step 5: Solve for x
    x = 407,612,954,736,603.50/23,100,198.32
  6. Step 6: Final answer
    x = 17,645,430.97

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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.