Home / 13,764,697.68-18,994,847.92-7,569,725.28

Finding the Fourth Proportional to 13,764,697.68, 18,994,847.92 and 7,569,725.28

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Solution

The fourth proportional to 13,764,697.68, 18,994,847.92 and 7,569,725.28 is: 10,445,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764,697.68 : 18,994,847.92 = 7,569,725.28 : x
  2. Step 2: Convert to fraction form
    13,764,697.68/18,994,847.92 = 7,569,725.28/x
  3. Step 3: Cross multiply
    13,764,697.68x = 18,994,847.92 × 7,569,725.28
  4. Step 4: Simplify right side
    13,764,697.68x = 143,785,780,489,779.44
  5. Step 5: Solve for x
    x = 143,785,780,489,779.44/13,764,697.68
  6. Step 6: Final answer
    x = 10,445,981.73

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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.