Home / 10,865,984.40-16,298,976.60-5,472,550.80

Finding the Fourth Proportional to 10,865,984.40, 16,298,976.60 and 5,472,550.80

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Solution

The fourth proportional to 10,865,984.40, 16,298,976.60 and 5,472,550.80 is: 8,208,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,984.40 : 16,298,976.60 = 5,472,550.80 : x
  2. Step 2: Convert to fraction form
    10,865,984.40/16,298,976.60 = 5,472,550.80/x
  3. Step 3: Cross multiply
    10,865,984.40x = 16,298,976.60 × 5,472,550.80
  4. Step 4: Simplify right side
    10,865,984.40x = 89,196,977,431,511.28
  5. Step 5: Solve for x
    x = 89,196,977,431,511.28/10,865,984.40
  6. Step 6: Final answer
    x = 8,208,826.20

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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.