Home / 20,733,110.46-31,099,665.70-9,218,555.46

Finding the Fourth Proportional to 20,733,110.46, 31,099,665.70 and 9,218,555.46

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Solution

The fourth proportional to 20,733,110.46, 31,099,665.70 and 9,218,555.46 is: 13,827,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,110.46 : 31,099,665.70 = 9,218,555.46 : x
  2. Step 2: Convert to fraction form
    20,733,110.46/31,099,665.70 = 9,218,555.46/x
  3. Step 3: Cross multiply
    20,733,110.46x = 31,099,665.70 × 9,218,555.46
  4. Step 4: Simplify right side
    20,733,110.46x = 286,693,993,042,909.75
  5. Step 5: Solve for x
    x = 286,693,993,042,909.75/20,733,110.46
  6. Step 6: Final answer
    x = 13,827,833.19

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Double scale
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Similar ratio
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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.