Home / 10,971,939.40-16,457,909.10-9,348,310.60

Finding the Fourth Proportional to 10,971,939.40, 16,457,909.10 and 9,348,310.60

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Solution

The fourth proportional to 10,971,939.40, 16,457,909.10 and 9,348,310.60 is: 14,022,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971,939.40 : 16,457,909.10 = 9,348,310.60 : x
  2. Step 2: Convert to fraction form
    10,971,939.40/16,457,909.10 = 9,348,310.60/x
  3. Step 3: Cross multiply
    10,971,939.40x = 16,457,909.10 × 9,348,310.60
  4. Step 4: Simplify right side
    10,971,939.40x = 153,853,646,093,366.44
  5. Step 5: Solve for x
    x = 153,853,646,093,366.44/10,971,939.40
  6. Step 6: Final answer
    x = 14,022,465.90

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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.