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Finding the Fourth Proportional to 7,602,695.03, 11,407,789.43 and 3,559,456.55

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Solution

The fourth proportional to 7,602,695.03, 11,407,789.43 and 3,559,456.55 is: 5,340,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602,695.03 : 11,407,789.43 = 3,559,456.55 : x
  2. Step 2: Convert to fraction form
    7,602,695.03/11,407,789.43 = 3,559,456.55/x
  3. Step 3: Cross multiply
    7,602,695.03x = 11,407,789.43 × 3,559,456.55
  4. Step 4: Simplify right side
    7,602,695.03x = 40,605,530,831,704.42
  5. Step 5: Solve for x
    x = 40,605,530,831,704.42/7,602,695.03
  6. Step 6: Final answer
    x = 5,340,939.06

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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.