Home / 7,117,129.80-9,821,804.04-4,061,628.36

Finding the Fourth Proportional to 7,117,129.80, 9,821,804.04 and 4,061,628.36

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Solution

The fourth proportional to 7,117,129.80, 9,821,804.04 and 4,061,628.36 is: 5,605,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,129.80 : 9,821,804.04 = 4,061,628.36 : x
  2. Step 2: Convert to fraction form
    7,117,129.80/9,821,804.04 = 4,061,628.36/x
  3. Step 3: Cross multiply
    7,117,129.80x = 9,821,804.04 × 4,061,628.36
  4. Step 4: Simplify right side
    7,117,129.80x = 39,892,517,835,226.57
  5. Step 5: Solve for x
    x = 39,892,517,835,226.57/7,117,129.80
  6. Step 6: Final answer
    x = 5,605,141.25

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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.