Home / 21,414,771.90-32,083,185.51-19,118,946.78

Finding the Fourth Proportional to 21,414,771.90, 32,083,185.51 and 19,118,946.78

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Solution

The fourth proportional to 21,414,771.90, 32,083,185.51 and 19,118,946.78 is: 28,643,625.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,414,771.90 : 32,083,185.51 = 19,118,946.78 : x
  2. Step 2: Convert to fraction form
    21,414,771.90/32,083,185.51 = 19,118,946.78/x
  3. Step 3: Cross multiply
    21,414,771.90x = 32,083,185.51 × 19,118,946.78
  4. Step 4: Simplify right side
    21,414,771.90x = 613,396,716,298,557.25
  5. Step 5: Solve for x
    x = 613,396,716,298,557.25/21,414,771.90
  6. Step 6: Final answer
    x = 28,643,625.96

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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.