Home / 20,272,244.64-30,408,113.32-4,919,661.52

Finding the Fourth Proportional to 20,272,244.64, 30,408,113.32 and 4,919,661.52

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Solution

The fourth proportional to 20,272,244.64, 30,408,113.32 and 4,919,661.52 is: 7,379,430.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272,244.64 : 30,408,113.32 = 4,919,661.52 : x
  2. Step 2: Convert to fraction form
    20,272,244.64/30,408,113.32 = 4,919,661.52/x
  3. Step 3: Cross multiply
    20,272,244.64x = 30,408,113.32 × 4,919,661.52
  4. Step 4: Simplify right side
    20,272,244.64x = 149,597,624,996,203.44
  5. Step 5: Solve for x
    x = 149,597,624,996,203.44/20,272,244.64
  6. Step 6: Final answer
    x = 7,379,430.73

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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.