Home / 21,452,405.70-32,178,608.55-19,100,943.30

Finding the Fourth Proportional to 21,452,405.70, 32,178,608.55 and 19,100,943.30

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Solution

The fourth proportional to 21,452,405.70, 32,178,608.55 and 19,100,943.30 is: 28,651,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452,405.70 : 32,178,608.55 = 19,100,943.30 : x
  2. Step 2: Convert to fraction form
    21,452,405.70/32,178,608.55 = 19,100,943.30/x
  3. Step 3: Cross multiply
    21,452,405.70x = 32,178,608.55 × 19,100,943.30
  4. Step 4: Simplify right side
    21,452,405.70x = 614,641,777,386,445.25
  5. Step 5: Solve for x
    x = 614,641,777,386,445.25/21,452,405.70
  6. Step 6: Final answer
    x = 28,651,414.95

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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.