Home / 13,019,105.60-19,523,992.80-6,627,233.60

Finding the Fourth Proportional to 13,019,105.60, 19,523,992.80 and 6,627,233.60

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Solution

The fourth proportional to 13,019,105.60, 19,523,992.80 and 6,627,233.60 is: 9,938,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019,105.60 : 19,523,992.80 = 6,627,233.60 : x
  2. Step 2: Convert to fraction form
    13,019,105.60/19,523,992.80 = 6,627,233.60/x
  3. Step 3: Cross multiply
    13,019,105.60x = 19,523,992.80 × 6,627,233.60
  4. Step 4: Simplify right side
    13,019,105.60x = 129,390,061,090,318.08
  5. Step 5: Solve for x
    x = 129,390,061,090,318.08/13,019,105.60
  6. Step 6: Final answer
    x = 9,938,475.43

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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.