Home / 13,103,682.10-19,655,523.15-11,717,998.90

Finding the Fourth Proportional to 13,103,682.10, 19,655,523.15 and 11,717,998.90

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Solution

The fourth proportional to 13,103,682.10, 19,655,523.15 and 11,717,998.90 is: 17,576,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,682.10 : 19,655,523.15 = 11,717,998.90 : x
  2. Step 2: Convert to fraction form
    13,103,682.10/19,655,523.15 = 11,717,998.90/x
  3. Step 3: Cross multiply
    13,103,682.10x = 19,655,523.15 × 11,717,998.90
  4. Step 4: Simplify right side
    13,103,682.10x = 230,323,398,650,624.53
  5. Step 5: Solve for x
    x = 230,323,398,650,624.53/13,103,682.10
  6. Step 6: Final answer
    x = 17,576,998.35

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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.