Home / 8,945,911.20-13,421,102.40-2,881,214.40

Finding the Fourth Proportional to 8,945,911.20, 13,421,102.40 and 2,881,214.40

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Solution

The fourth proportional to 8,945,911.20, 13,421,102.40 and 2,881,214.40 is: 4,322,541.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945,911.20 : 13,421,102.40 = 2,881,214.40 : x
  2. Step 2: Convert to fraction form
    8,945,911.20/13,421,102.40 = 2,881,214.40/x
  3. Step 3: Cross multiply
    8,945,911.20x = 13,421,102.40 × 2,881,214.40
  4. Step 4: Simplify right side
    8,945,911.20x = 38,669,073,498,754.56
  5. Step 5: Solve for x
    x = 38,669,073,498,754.56/8,945,911.20
  6. Step 6: Final answer
    x = 4,322,541.62

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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.