Home / 7,640,363-10,543,494.12-4,333,263.77

Finding the Fourth Proportional to 7,640,363, 10,543,494.12 and 4,333,263.77

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Solution

The fourth proportional to 7,640,363, 10,543,494.12 and 4,333,263.77 is: 5,979,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640,363 : 10,543,494.12 = 4,333,263.77 : x
  2. Step 2: Convert to fraction form
    7,640,363/10,543,494.12 = 4,333,263.77/x
  3. Step 3: Cross multiply
    7,640,363x = 10,543,494.12 × 4,333,263.77
  4. Step 4: Simplify right side
    7,640,363x = 45,687,741,079,404.02
  5. Step 5: Solve for x
    x = 45,687,741,079,404.02/7,640,363
  6. Step 6: Final answer
    x = 5,979,786.70

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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.