Home / 10,971,399.40-16,457,099.10-9,347,770.60

Finding the Fourth Proportional to 10,971,399.40, 16,457,099.10 and 9,347,770.60

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Solution

The fourth proportional to 10,971,399.40, 16,457,099.10 and 9,347,770.60 is: 14,021,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971,399.40 : 16,457,099.10 = 9,347,770.60 : x
  2. Step 2: Convert to fraction form
    10,971,399.40/16,457,099.10 = 9,347,770.60/x
  3. Step 3: Cross multiply
    10,971,399.40x = 16,457,099.10 × 9,347,770.60
  4. Step 4: Simplify right side
    10,971,399.40x = 153,837,187,128,266.44
  5. Step 5: Solve for x
    x = 153,837,187,128,266.44/10,971,399.40
  6. Step 6: Final answer
    x = 14,021,655.90

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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.