Home / 5,678,208.80-8,517,313.20-5,118,336.80

Finding the Fourth Proportional to 5,678,208.80, 8,517,313.20 and 5,118,336.80

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Solution

The fourth proportional to 5,678,208.80, 8,517,313.20 and 5,118,336.80 is: 7,677,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,208.80 : 8,517,313.20 = 5,118,336.80 : x
  2. Step 2: Convert to fraction form
    5,678,208.80/8,517,313.20 = 5,118,336.80/x
  3. Step 3: Cross multiply
    5,678,208.80x = 8,517,313.20 × 5,118,336.80
  4. Step 4: Simplify right side
    5,678,208.80x = 43,594,477,588,685.76
  5. Step 5: Solve for x
    x = 43,594,477,588,685.76/5,678,208.80
  6. Step 6: Final answer
    x = 7,677,505.20

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Similar ratio
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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.