Home / 10,780,843.40-16,171,265.10-7,174,917.80

Finding the Fourth Proportional to 10,780,843.40, 16,171,265.10 and 7,174,917.80

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Solution

The fourth proportional to 10,780,843.40, 16,171,265.10 and 7,174,917.80 is: 10,762,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,843.40 : 16,171,265.10 = 7,174,917.80 : x
  2. Step 2: Convert to fraction form
    10,780,843.40/16,171,265.10 = 7,174,917.80/x
  3. Step 3: Cross multiply
    10,780,843.40x = 16,171,265.10 × 7,174,917.80
  4. Step 4: Simplify right side
    10,780,843.40x = 116,027,497,814,508.78
  5. Step 5: Solve for x
    x = 116,027,497,814,508.78/10,780,843.40
  6. Step 6: Final answer
    x = 10,762,376.70

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Double scale
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1.5x scale

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.