Home / 13,864,555.35-20,798,725.44-5,775,638.90

Finding the Fourth Proportional to 13,864,555.35, 20,798,725.44 and 5,775,638.90

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Solution

The fourth proportional to 13,864,555.35, 20,798,725.44 and 5,775,638.90 is: 8,664,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864,555.35 : 20,798,725.44 = 5,775,638.90 : x
  2. Step 2: Convert to fraction form
    13,864,555.35/20,798,725.44 = 5,775,638.90/x
  3. Step 3: Cross multiply
    13,864,555.35x = 20,798,725.44 × 5,775,638.90
  4. Step 4: Simplify right side
    13,864,555.35x = 120,125,927,721,683.62
  5. Step 5: Solve for x
    x = 120,125,927,721,683.62/13,864,555.35
  6. Step 6: Final answer
    x = 8,664,246.68

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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.