Home / 8,180,421.93-11,288,890.28-4,459,171.39

Finding the Fourth Proportional to 8,180,421.93, 11,288,890.28 and 4,459,171.39

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Solution

The fourth proportional to 8,180,421.93, 11,288,890.28 and 4,459,171.39 is: 6,153,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180,421.93 : 11,288,890.28 = 4,459,171.39 : x
  2. Step 2: Convert to fraction form
    8,180,421.93/11,288,890.28 = 4,459,171.39/x
  3. Step 3: Cross multiply
    8,180,421.93x = 11,288,890.28 × 4,459,171.39
  4. Step 4: Simplify right side
    8,180,421.93x = 50,339,096,544,350.80
  5. Step 5: Solve for x
    x = 50,339,096,544,350.80/8,180,421.93
  6. Step 6: Final answer
    x = 6,153,606.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.