Home / 10,975,498.40-16,463,247.60-7,149,123.20

Finding the Fourth Proportional to 10,975,498.40, 16,463,247.60 and 7,149,123.20

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Solution

The fourth proportional to 10,975,498.40, 16,463,247.60 and 7,149,123.20 is: 10,723,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975,498.40 : 16,463,247.60 = 7,149,123.20 : x
  2. Step 2: Convert to fraction form
    10,975,498.40/16,463,247.60 = 7,149,123.20/x
  3. Step 3: Cross multiply
    10,975,498.40x = 16,463,247.60 × 7,149,123.20
  4. Step 4: Simplify right side
    10,975,498.40x = 117,697,785,364,504.33
  5. Step 5: Solve for x
    x = 117,697,785,364,504.33/10,975,498.40
  6. Step 6: Final answer
    x = 10,723,684.80

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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.