Home / 13,479,917.10-20,219,875.65-3,895,608.30

Finding the Fourth Proportional to 13,479,917.10, 20,219,875.65 and 3,895,608.30

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Solution

The fourth proportional to 13,479,917.10, 20,219,875.65 and 3,895,608.30 is: 5,843,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,917.10 : 20,219,875.65 = 3,895,608.30 : x
  2. Step 2: Convert to fraction form
    13,479,917.10/20,219,875.65 = 3,895,608.30/x
  3. Step 3: Cross multiply
    13,479,917.10x = 20,219,875.65 × 3,895,608.30
  4. Step 4: Simplify right side
    13,479,917.10x = 78,768,715,407,107.89
  5. Step 5: Solve for x
    x = 78,768,715,407,107.89/13,479,917.10
  6. Step 6: Final answer
    x = 5,843,412.45

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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.