Home / 6,661,009.10-9,191,214.21-3,720,463.85

Finding the Fourth Proportional to 6,661,009.10, 9,191,214.21 and 3,720,463.85

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Solution

The fourth proportional to 6,661,009.10, 9,191,214.21 and 3,720,463.85 is: 5,133,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661,009.10 : 9,191,214.21 = 3,720,463.85 : x
  2. Step 2: Convert to fraction form
    6,661,009.10/9,191,214.21 = 3,720,463.85/x
  3. Step 3: Cross multiply
    6,661,009.10x = 9,191,214.21 × 3,720,463.85
  4. Step 4: Simplify right side
    6,661,009.10x = 34,195,580,205,911.31
  5. Step 5: Solve for x
    x = 34,195,580,205,911.31/6,661,009.10
  6. Step 6: Final answer
    x = 5,133,693.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.