Home / 7,686,245.38-10,605,934.98-4,378,626.58

Finding the Fourth Proportional to 7,686,245.38, 10,605,934.98 and 4,378,626.58

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Solution

The fourth proportional to 7,686,245.38, 10,605,934.98 and 4,378,626.58 is: 6,041,887.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686,245.38 : 10,605,934.98 = 4,378,626.58 : x
  2. Step 2: Convert to fraction form
    7,686,245.38/10,605,934.98 = 4,378,626.58/x
  3. Step 3: Cross multiply
    7,686,245.38x = 10,605,934.98 × 4,378,626.58
  4. Step 4: Simplify right side
    7,686,245.38x = 46,439,428,809,179.77
  5. Step 5: Solve for x
    x = 46,439,428,809,179.77/7,686,245.38
  6. Step 6: Final answer
    x = 6,041,887.36

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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.