Home / 21,505,511.20-32,237,271.60-19,238,029.60

Finding the Fourth Proportional to 21,505,511.20, 32,237,271.60 and 19,238,029.60

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Solution

The fourth proportional to 21,505,511.20, 32,237,271.60 and 19,238,029.60 is: 28,838,262.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,511.20 : 32,237,271.60 = 19,238,029.60 : x
  2. Step 2: Convert to fraction form
    21,505,511.20/32,237,271.60 = 19,238,029.60/x
  3. Step 3: Cross multiply
    21,505,511.20x = 32,237,271.60 × 19,238,029.60
  4. Step 4: Simplify right side
    21,505,511.20x = 620,181,585,264,039.38
  5. Step 5: Solve for x
    x = 620,181,585,264,039.38/21,505,511.20
  6. Step 6: Final answer
    x = 28,838,262.88

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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.