Home / 20,188,110.40-30,282,165.60-7,406,954.35

Finding the Fourth Proportional to 20,188,110.40, 30,282,165.60 and 7,406,954.35

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Solution

The fourth proportional to 20,188,110.40, 30,282,165.60 and 7,406,954.35 is: 11,110,431.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,110.40 : 30,282,165.60 = 7,406,954.35 : x
  2. Step 2: Convert to fraction form
    20,188,110.40/30,282,165.60 = 7,406,954.35/x
  3. Step 3: Cross multiply
    20,188,110.40x = 30,282,165.60 × 7,406,954.35
  4. Step 4: Simplify right side
    20,188,110.40x = 224,298,618,218,340.38
  5. Step 5: Solve for x
    x = 224,298,618,218,340.38/20,188,110.40
  6. Step 6: Final answer
    x = 11,110,431.53

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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.