Home / 13,388,383.74-18,476,091.99-7,276,827.90

Finding the Fourth Proportional to 13,388,383.74, 18,476,091.99 and 7,276,827.90

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Solution

The fourth proportional to 13,388,383.74, 18,476,091.99 and 7,276,827.90 is: 10,042,089.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388,383.74 : 18,476,091.99 = 7,276,827.90 : x
  2. Step 2: Convert to fraction form
    13,388,383.74/18,476,091.99 = 7,276,827.90/x
  3. Step 3: Cross multiply
    13,388,383.74x = 18,476,091.99 × 7,276,827.90
  4. Step 4: Simplify right side
    13,388,383.74x = 134,447,341,675,798.52
  5. Step 5: Solve for x
    x = 134,447,341,675,798.52/13,388,383.74
  6. Step 6: Final answer
    x = 10,042,089.04

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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.