Home / 19,681,371.40-29,522,057.10-11,072,027.20

Finding the Fourth Proportional to 19,681,371.40, 29,522,057.10 and 11,072,027.20

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Solution

The fourth proportional to 19,681,371.40, 29,522,057.10 and 11,072,027.20 is: 16,608,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,371.40 : 29,522,057.10 = 11,072,027.20 : x
  2. Step 2: Convert to fraction form
    19,681,371.40/29,522,057.10 = 11,072,027.20/x
  3. Step 3: Cross multiply
    19,681,371.40x = 29,522,057.10 × 11,072,027.20
  4. Step 4: Simplify right side
    19,681,371.40x = 326,869,019,211,153.12
  5. Step 5: Solve for x
    x = 326,869,019,211,153.12/19,681,371.40
  6. Step 6: Final answer
    x = 16,608,040.80

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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.