Home / 21,958,778.10-32,945,050.82-13,214,597.78

Finding the Fourth Proportional to 21,958,778.10, 32,945,050.82 and 13,214,597.78

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Solution

The fourth proportional to 21,958,778.10, 32,945,050.82 and 13,214,597.78 is: 19,826,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958,778.10 : 32,945,050.82 = 13,214,597.78 : x
  2. Step 2: Convert to fraction form
    21,958,778.10/32,945,050.82 = 13,214,597.78/x
  3. Step 3: Cross multiply
    21,958,778.10x = 32,945,050.82 × 13,214,597.78
  4. Step 4: Simplify right side
    21,958,778.10x = 435,355,595,427,959.19
  5. Step 5: Solve for x
    x = 435,355,595,427,959.19/21,958,778.10
  6. Step 6: Final answer
    x = 19,826,039.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.