Home / 7,815,605.49-10,785,879.72-4,330,934.82

Finding the Fourth Proportional to 7,815,605.49, 10,785,879.72 and 4,330,934.82

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Solution

The fourth proportional to 7,815,605.49, 10,785,879.72 and 4,330,934.82 is: 5,976,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,605.49 : 10,785,879.72 = 4,330,934.82 : x
  2. Step 2: Convert to fraction form
    7,815,605.49/10,785,879.72 = 4,330,934.82/x
  3. Step 3: Cross multiply
    7,815,605.49x = 10,785,879.72 × 4,330,934.82
  4. Step 4: Simplify right side
    7,815,605.49x = 46,712,942,043,679.86
  5. Step 5: Solve for x
    x = 46,712,942,043,679.86/7,815,605.49
  6. Step 6: Final answer
    x = 5,976,880.76

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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.