Home / 20,238,110.10-30,346,667.55-7,452,033.30

Finding the Fourth Proportional to 20,238,110.10, 30,346,667.55 and 7,452,033.30

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Solution

The fourth proportional to 20,238,110.10, 30,346,667.55 and 7,452,033.30 is: 11,174,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238,110.10 : 30,346,667.55 = 7,452,033.30 : x
  2. Step 2: Convert to fraction form
    20,238,110.10/30,346,667.55 = 7,452,033.30/x
  3. Step 3: Cross multiply
    20,238,110.10x = 30,346,667.55 × 7,452,033.30
  4. Step 4: Simplify right side
    20,238,110.10x = 226,144,377,126,629.41
  5. Step 5: Solve for x
    x = 226,144,377,126,629.41/20,238,110.10
  6. Step 6: Final answer
    x = 11,174,184.55

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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.