Home / 10,630,729.65-15,933,139.68-5,510,336.63

Finding the Fourth Proportional to 10,630,729.65, 15,933,139.68 and 5,510,336.63

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Solution

The fourth proportional to 10,630,729.65, 15,933,139.68 and 5,510,336.63 is: 8,258,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630,729.65 : 15,933,139.68 = 5,510,336.63 : x
  2. Step 2: Convert to fraction form
    10,630,729.65/15,933,139.68 = 5,510,336.63/x
  3. Step 3: Cross multiply
    10,630,729.65x = 15,933,139.68 × 5,510,336.63
  4. Step 4: Simplify right side
    10,630,729.65x = 87,796,963,209,610.47
  5. Step 5: Solve for x
    x = 87,796,963,209,610.47/10,630,729.65
  6. Step 6: Final answer
    x = 8,258,789.95

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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.