Home / 29,121,689.20-43,682,533.80-19,541,657.20

Finding the Fourth Proportional to 29,121,689.20, 43,682,533.80 and 19,541,657.20

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Solution

The fourth proportional to 29,121,689.20, 43,682,533.80 and 19,541,657.20 is: 29,312,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121,689.20 : 43,682,533.80 = 19,541,657.20 : x
  2. Step 2: Convert to fraction form
    29,121,689.20/43,682,533.80 = 19,541,657.20/x
  3. Step 3: Cross multiply
    29,121,689.20x = 43,682,533.80 × 19,541,657.20
  4. Step 4: Simplify right side
    29,121,689.20x = 853,629,101,147,013.25
  5. Step 5: Solve for x
    x = 853,629,101,147,013.25/29,121,689.20
  6. Step 6: Final answer
    x = 29,312,485.80

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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.