Home / 5,386,511.80-8,079,767.70-4,890,500.20

Finding the Fourth Proportional to 5,386,511.80, 8,079,767.70 and 4,890,500.20

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Solution

The fourth proportional to 5,386,511.80, 8,079,767.70 and 4,890,500.20 is: 7,335,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386,511.80 : 8,079,767.70 = 4,890,500.20 : x
  2. Step 2: Convert to fraction form
    5,386,511.80/8,079,767.70 = 4,890,500.20/x
  3. Step 3: Cross multiply
    5,386,511.80x = 8,079,767.70 × 4,890,500.20
  4. Step 4: Simplify right side
    5,386,511.80x = 39,514,105,552,803.54
  5. Step 5: Solve for x
    x = 39,514,105,552,803.54/5,386,511.80
  6. Step 6: Final answer
    x = 7,335,750.30

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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.