Home / 30,234,458.50-45,351,853.90-7,515,355.76

Finding the Fourth Proportional to 30,234,458.50, 45,351,853.90 and 7,515,355.76

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Solution

The fourth proportional to 30,234,458.50, 45,351,853.90 and 7,515,355.76 is: 11,273,074.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,234,458.50 : 45,351,853.90 = 7,515,355.76 : x
  2. Step 2: Convert to fraction form
    30,234,458.50/45,351,853.90 = 7,515,355.76/x
  3. Step 3: Cross multiply
    30,234,458.50x = 45,351,853.90 × 7,515,355.76
  4. Step 4: Simplify right side
    30,234,458.50x = 340,835,316,434,043.44
  5. Step 5: Solve for x
    x = 340,835,316,434,043.44/30,234,458.50
  6. Step 6: Final answer
    x = 11,273,074.94

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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.