Home / 6,999,142.96-10,497,717.48-2,206,209.36

Finding the Fourth Proportional to 6,999,142.96, 10,497,717.48 and 2,206,209.36

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Solution

The fourth proportional to 6,999,142.96, 10,497,717.48 and 2,206,209.36 is: 3,308,999.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999,142.96 : 10,497,717.48 = 2,206,209.36 : x
  2. Step 2: Convert to fraction form
    6,999,142.96/10,497,717.48 = 2,206,209.36/x
  3. Step 3: Cross multiply
    6,999,142.96x = 10,497,717.48 × 2,206,209.36
  4. Step 4: Simplify right side
    6,999,142.96x = 23,160,162,563,011.61
  5. Step 5: Solve for x
    x = 23,160,162,563,011.61/6,999,142.96
  6. Step 6: Final answer
    x = 3,308,999.79

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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.