Home / 7,518,388.32-10,375,385.96-4,080,628.44

Finding the Fourth Proportional to 7,518,388.32, 10,375,385.96 and 4,080,628.44

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Solution

The fourth proportional to 7,518,388.32, 10,375,385.96 and 4,080,628.44 is: 5,631,272.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,388.32 : 10,375,385.96 = 4,080,628.44 : x
  2. Step 2: Convert to fraction form
    7,518,388.32/10,375,385.96 = 4,080,628.44/x
  3. Step 3: Cross multiply
    7,518,388.32x = 10,375,385.96 × 4,080,628.44
  4. Step 4: Simplify right side
    7,518,388.32x = 42,338,095,024,352.70
  5. Step 5: Solve for x
    x = 42,338,095,024,352.70/7,518,388.32
  6. Step 6: Final answer
    x = 5,631,272.72

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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.