Home / 20,163,349.20-30,241,524.60-7,377,272.40

Finding the Fourth Proportional to 20,163,349.20, 30,241,524.60 and 7,377,272.40

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Solution

The fourth proportional to 20,163,349.20, 30,241,524.60 and 7,377,272.40 is: 11,064,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163,349.20 : 30,241,524.60 = 7,377,272.40 : x
  2. Step 2: Convert to fraction form
    20,163,349.20/30,241,524.60 = 7,377,272.40/x
  3. Step 3: Cross multiply
    20,163,349.20x = 30,241,524.60 × 7,377,272.40
  4. Step 4: Simplify right side
    20,163,349.20x = 223,099,964,765,501.06
  5. Step 5: Solve for x
    x = 223,099,964,765,501.06/20,163,349.20
  6. Step 6: Final answer
    x = 11,064,628.33

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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.