Home / 7,893,007.20-11,836,011.60-3,630,981.60

Finding the Fourth Proportional to 7,893,007.20, 11,836,011.60 and 3,630,981.60

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Solution

The fourth proportional to 7,893,007.20, 11,836,011.60 and 3,630,981.60 is: 5,444,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893,007.20 : 11,836,011.60 = 3,630,981.60 : x
  2. Step 2: Convert to fraction form
    7,893,007.20/11,836,011.60 = 3,630,981.60/x
  3. Step 3: Cross multiply
    7,893,007.20x = 11,836,011.60 × 3,630,981.60
  4. Step 4: Simplify right side
    7,893,007.20x = 42,976,340,336,986.56
  5. Step 5: Solve for x
    x = 42,976,340,336,986.56/7,893,007.20
  6. Step 6: Final answer
    x = 5,444,862.68

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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.