Home / 13,413,024.40-20,109,695.10-5,321,999.20

Finding the Fourth Proportional to 13,413,024.40, 20,109,695.10 and 5,321,999.20

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Solution

The fourth proportional to 13,413,024.40, 20,109,695.10 and 5,321,999.20 is: 7,979,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413,024.40 : 20,109,695.10 = 5,321,999.20 : x
  2. Step 2: Convert to fraction form
    13,413,024.40/20,109,695.10 = 5,321,999.20/x
  3. Step 3: Cross multiply
    13,413,024.40x = 20,109,695.10 × 5,321,999.20
  4. Step 4: Simplify right side
    13,413,024.40x = 107,023,781,234,443.94
  5. Step 5: Solve for x
    x = 107,023,781,234,443.94/13,413,024.40
  6. Step 6: Final answer
    x = 7,979,093.90

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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.