Home / 6,909,969.70-10,365,732.15-2,117,620.90

Finding the Fourth Proportional to 6,909,969.70, 10,365,732.15 and 2,117,620.90

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Solution

The fourth proportional to 6,909,969.70, 10,365,732.15 and 2,117,620.90 is: 3,176,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,969.70 : 10,365,732.15 = 2,117,620.90 : x
  2. Step 2: Convert to fraction form
    6,909,969.70/10,365,732.15 = 2,117,620.90/x
  3. Step 3: Cross multiply
    6,909,969.70x = 10,365,732.15 × 2,117,620.90
  4. Step 4: Simplify right side
    6,909,969.70x = 21,950,691,044,641.93
  5. Step 5: Solve for x
    x = 21,950,691,044,641.93/6,909,969.70
  6. Step 6: Final answer
    x = 3,176,669.65

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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.