Home / 6,877,286.40-10,315,929.60-4,452,340.80

Finding the Fourth Proportional to 6,877,286.40, 10,315,929.60 and 4,452,340.80

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Solution

The fourth proportional to 6,877,286.40, 10,315,929.60 and 4,452,340.80 is: 6,678,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877,286.40 : 10,315,929.60 = 4,452,340.80 : x
  2. Step 2: Convert to fraction form
    6,877,286.40/10,315,929.60 = 4,452,340.80/x
  3. Step 3: Cross multiply
    6,877,286.40x = 10,315,929.60 × 4,452,340.80
  4. Step 4: Simplify right side
    6,877,286.40x = 45,930,034,248,007.68
  5. Step 5: Solve for x
    x = 45,930,034,248,007.68/6,877,286.40
  6. Step 6: Final answer
    x = 6,678,511.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.