Home / 13,247,998.20-19,871,997.30-13,164,017.40

Finding the Fourth Proportional to 13,247,998.20, 19,871,997.30 and 13,164,017.40

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Solution

The fourth proportional to 13,247,998.20, 19,871,997.30 and 13,164,017.40 is: 19,746,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247,998.20 : 19,871,997.30 = 13,164,017.40 : x
  2. Step 2: Convert to fraction form
    13,247,998.20/19,871,997.30 = 13,164,017.40/x
  3. Step 3: Cross multiply
    13,247,998.20x = 19,871,997.30 × 13,164,017.40
  4. Step 4: Simplify right side
    13,247,998.20x = 261,595,318,229,953.03
  5. Step 5: Solve for x
    x = 261,595,318,229,953.03/13,247,998.20
  6. Step 6: Final answer
    x = 19,746,026.10

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Double scale
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Similar ratio
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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.