Home / 8,945,912.20-13,421,103.90-2,881,215.40

Finding the Fourth Proportional to 8,945,912.20, 13,421,103.90 and 2,881,215.40

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Solution

The fourth proportional to 8,945,912.20, 13,421,103.90 and 2,881,215.40 is: 4,322,543.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945,912.20 : 13,421,103.90 = 2,881,215.40 : x
  2. Step 2: Convert to fraction form
    8,945,912.20/13,421,103.90 = 2,881,215.40/x
  3. Step 3: Cross multiply
    8,945,912.20x = 13,421,103.90 × 2,881,215.40
  4. Step 4: Simplify right side
    8,945,912.20x = 38,669,091,241,680.06
  5. Step 5: Solve for x
    x = 38,669,091,241,680.06/8,945,912.20
  6. Step 6: Final answer
    x = 4,322,543.12

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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.