Home / 7,518,154.68-10,375,063.56-4,080,395.76

Finding the Fourth Proportional to 7,518,154.68, 10,375,063.56 and 4,080,395.76

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Solution

The fourth proportional to 7,518,154.68, 10,375,063.56 and 4,080,395.76 is: 5,630,951.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,154.68 : 10,375,063.56 = 4,080,395.76 : x
  2. Step 2: Convert to fraction form
    7,518,154.68/10,375,063.56 = 4,080,395.76/x
  3. Step 3: Cross multiply
    7,518,154.68x = 10,375,063.56 × 4,080,395.76
  4. Step 4: Simplify right side
    7,518,154.68x = 42,334,365,359,954.51
  5. Step 5: Solve for x
    x = 42,334,365,359,954.51/7,518,154.68
  6. Step 6: Final answer
    x = 5,630,951.63

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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.