Home / 20,115,522.08-30,177,781.56-7,336,027.40

Finding the Fourth Proportional to 20,115,522.08, 30,177,781.56 and 7,336,027.40

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Solution

The fourth proportional to 20,115,522.08, 30,177,781.56 and 7,336,027.40 is: 11,005,681.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,115,522.08 : 30,177,781.56 = 7,336,027.40 : x
  2. Step 2: Convert to fraction form
    20,115,522.08/30,177,781.56 = 7,336,027.40/x
  3. Step 3: Cross multiply
    20,115,522.08x = 30,177,781.56 × 7,336,027.40
  4. Step 4: Simplify right side
    20,115,522.08x = 221,385,032,395,374.75
  5. Step 5: Solve for x
    x = 221,385,032,395,374.75/20,115,522.08
  6. Step 6: Final answer
    x = 11,005,681.66

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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.