Home / 20,736,114.60-31,104,171.90-14,344,588.20

Finding the Fourth Proportional to 20,736,114.60, 31,104,171.90 and 14,344,588.20

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Solution

The fourth proportional to 20,736,114.60, 31,104,171.90 and 14,344,588.20 is: 21,516,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,114.60 : 31,104,171.90 = 14,344,588.20 : x
  2. Step 2: Convert to fraction form
    20,736,114.60/31,104,171.90 = 14,344,588.20/x
  3. Step 3: Cross multiply
    20,736,114.60x = 31,104,171.90 × 14,344,588.20
  4. Step 4: Simplify right side
    20,736,114.60x = 446,176,537,207,511.56
  5. Step 5: Solve for x
    x = 446,176,537,207,511.56/20,736,114.60
  6. Step 6: Final answer
    x = 21,516,882.30

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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.