Home / 6,771,939.40-10,157,909.10-6,672,406.60

Finding the Fourth Proportional to 6,771,939.40, 10,157,909.10 and 6,672,406.60

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Solution

The fourth proportional to 6,771,939.40, 10,157,909.10 and 6,672,406.60 is: 10,008,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771,939.40 : 10,157,909.10 = 6,672,406.60 : x
  2. Step 2: Convert to fraction form
    6,771,939.40/10,157,909.10 = 6,672,406.60/x
  3. Step 3: Cross multiply
    6,771,939.40x = 10,157,909.10 × 6,672,406.60
  4. Step 4: Simplify right side
    6,771,939.40x = 67,777,699,721,040.05
  5. Step 5: Solve for x
    x = 67,777,699,721,040.05/6,771,939.40
  6. Step 6: Final answer
    x = 10,008,609.90

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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.