Home / 8,215,457.62-11,336,459.07-4,543,790.80

Finding the Fourth Proportional to 8,215,457.62, 11,336,459.07 and 4,543,790.80

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Solution

The fourth proportional to 8,215,457.62, 11,336,459.07 and 4,543,790.80 is: 6,269,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,457.62 : 11,336,459.07 = 4,543,790.80 : x
  2. Step 2: Convert to fraction form
    8,215,457.62/11,336,459.07 = 4,543,790.80/x
  3. Step 3: Cross multiply
    8,215,457.62x = 11,336,459.07 × 4,543,790.80
  4. Step 4: Simplify right side
    8,215,457.62x = 51,510,498,426,842.55
  5. Step 5: Solve for x
    x = 51,510,498,426,842.55/8,215,457.62
  6. Step 6: Final answer
    x = 6,269,948.77

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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.