Home / 19,720,164.30-29,580,246.45-11,217,108.30

Finding the Fourth Proportional to 19,720,164.30, 29,580,246.45 and 11,217,108.30

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Solution

The fourth proportional to 19,720,164.30, 29,580,246.45 and 11,217,108.30 is: 16,825,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,164.30 : 29,580,246.45 = 11,217,108.30 : x
  2. Step 2: Convert to fraction form
    19,720,164.30/29,580,246.45 = 11,217,108.30/x
  3. Step 3: Cross multiply
    19,720,164.30x = 29,580,246.45 × 11,217,108.30
  4. Step 4: Simplify right side
    19,720,164.30x = 331,804,827,970,340.56
  5. Step 5: Solve for x
    x = 331,804,827,970,340.56/19,720,164.30
  6. Step 6: Final answer
    x = 16,825,662.45

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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.