Home / 13,500,397.44-18,624,107.52-8,341,902.72

Finding the Fourth Proportional to 13,500,397.44, 18,624,107.52 and 8,341,902.72

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Solution

The fourth proportional to 13,500,397.44, 18,624,107.52 and 8,341,902.72 is: 11,507,845.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500,397.44 : 18,624,107.52 = 8,341,902.72 : x
  2. Step 2: Convert to fraction form
    13,500,397.44/18,624,107.52 = 8,341,902.72/x
  3. Step 3: Cross multiply
    13,500,397.44x = 18,624,107.52 × 8,341,902.72
  4. Step 4: Simplify right side
    13,500,397.44x = 155,360,493,178,660.44
  5. Step 5: Solve for x
    x = 155,360,493,178,660.44/13,500,397.44
  6. Step 6: Final answer
    x = 11,507,845.89

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1.5x scale

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.