Home / 7,816,370.40-10,786,588.97-4,284,146.70

Finding the Fourth Proportional to 7,816,370.40, 10,786,588.97 and 4,284,146.70

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Solution

The fourth proportional to 7,816,370.40, 10,786,588.97 and 4,284,146.70 is: 5,912,121.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816,370.40 : 10,786,588.97 = 4,284,146.70 : x
  2. Step 2: Convert to fraction form
    7,816,370.40/10,786,588.97 = 4,284,146.70/x
  3. Step 3: Cross multiply
    7,816,370.40x = 10,786,588.97 × 4,284,146.70
  4. Step 4: Simplify right side
    7,816,370.40x = 46,211,329,518,661.16
  5. Step 5: Solve for x
    x = 46,211,329,518,661.16/7,816,370.40
  6. Step 6: Final answer
    x = 5,912,121.25

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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.