Home / 8,745,361.40-12,043,777.74-7,512,709.88

Finding the Fourth Proportional to 8,745,361.40, 12,043,777.74 and 7,512,709.88

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Solution

The fourth proportional to 8,745,361.40, 12,043,777.74 and 7,512,709.88 is: 10,346,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745,361.40 : 12,043,777.74 = 7,512,709.88 : x
  2. Step 2: Convert to fraction form
    8,745,361.40/12,043,777.74 = 7,512,709.88/x
  3. Step 3: Cross multiply
    8,745,361.40x = 12,043,777.74 × 7,512,709.88
  4. Step 4: Simplify right side
    8,745,361.40x = 90,481,408,019,822.08
  5. Step 5: Solve for x
    x = 90,481,408,019,822.08/8,745,361.40
  6. Step 6: Final answer
    x = 10,346,217.14

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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.