Home / 7,491,661.76-10,338,511.20-4,053,939.68

Finding the Fourth Proportional to 7,491,661.76, 10,338,511.20 and 4,053,939.68

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Solution

The fourth proportional to 7,491,661.76, 10,338,511.20 and 4,053,939.68 is: 5,594,446.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491,661.76 : 10,338,511.20 = 4,053,939.68 : x
  2. Step 2: Convert to fraction form
    7,491,661.76/10,338,511.20 = 4,053,939.68/x
  3. Step 3: Cross multiply
    7,491,661.76x = 10,338,511.20 × 4,053,939.68
  4. Step 4: Simplify right side
    7,491,661.76x = 41,911,700,785,804.41
  5. Step 5: Solve for x
    x = 41,911,700,785,804.41/7,491,661.76
  6. Step 6: Final answer
    x = 5,594,446.48

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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.