Home / 7,965,276-10,992,910.32-4,909,411.68

Finding the Fourth Proportional to 7,965,276, 10,992,910.32 and 4,909,411.68

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Solution

The fourth proportional to 7,965,276, 10,992,910.32 and 4,909,411.68 is: 6,775,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965,276 : 10,992,910.32 = 4,909,411.68 : x
  2. Step 2: Convert to fraction form
    7,965,276/10,992,910.32 = 4,909,411.68/x
  3. Step 3: Cross multiply
    7,965,276x = 10,992,910.32 × 4,909,411.68
  4. Step 4: Simplify right side
    7,965,276x = 53,968,722,322,200.54
  5. Step 5: Solve for x
    x = 53,968,722,322,200.54/7,965,276
  6. Step 6: Final answer
    x = 6,775,499.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.