Home / 8,518,481.64-12,777,981.86-3,330,884.03

Finding the Fourth Proportional to 8,518,481.64, 12,777,981.86 and 3,330,884.03

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Solution

The fourth proportional to 8,518,481.64, 12,777,981.86 and 3,330,884.03 is: 4,996,427.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,481.64 : 12,777,981.86 = 3,330,884.03 : x
  2. Step 2: Convert to fraction form
    8,518,481.64/12,777,981.86 = 3,330,884.03/x
  3. Step 3: Cross multiply
    8,518,481.64x = 12,777,981.86 × 3,330,884.03
  4. Step 4: Simplify right side
    8,518,481.64x = 42,561,975,657,541
  5. Step 5: Solve for x
    x = 42,561,975,657,541/8,518,481.64
  6. Step 6: Final answer
    x = 4,996,427.47

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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.