Home / 8,670,375.60-13,012,936.20-3,885,428.40

Finding the Fourth Proportional to 8,670,375.60, 13,012,936.20 and 3,885,428.40

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Solution

The fourth proportional to 8,670,375.60, 13,012,936.20 and 3,885,428.40 is: 5,831,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670,375.60 : 13,012,936.20 = 3,885,428.40 : x
  2. Step 2: Convert to fraction form
    8,670,375.60/13,012,936.20 = 3,885,428.40/x
  3. Step 3: Cross multiply
    8,670,375.60x = 13,012,936.20 × 3,885,428.40
  4. Step 4: Simplify right side
    8,670,375.60x = 50,560,831,878,868.08
  5. Step 5: Solve for x
    x = 50,560,831,878,868.08/8,670,375.60
  6. Step 6: Final answer
    x = 5,831,446.55

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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.