Home / 13,994,999.40-20,992,499.10-13,197,837.90

Finding the Fourth Proportional to 13,994,999.40, 20,992,499.10 and 13,197,837.90

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Solution

The fourth proportional to 13,994,999.40, 20,992,499.10 and 13,197,837.90 is: 19,796,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994,999.40 : 20,992,499.10 = 13,197,837.90 : x
  2. Step 2: Convert to fraction form
    13,994,999.40/20,992,499.10 = 13,197,837.90/x
  3. Step 3: Cross multiply
    13,994,999.40x = 20,992,499.10 × 13,197,837.90
  4. Step 4: Simplify right side
    13,994,999.40x = 277,055,600,237,695.91
  5. Step 5: Solve for x
    x = 277,055,600,237,695.91/13,994,999.40
  6. Step 6: Final answer
    x = 19,796,756.85

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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.