Home / 7,452,021.80-11,178,032.70-4,263,375.80

Finding the Fourth Proportional to 7,452,021.80, 11,178,032.70 and 4,263,375.80

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Solution

The fourth proportional to 7,452,021.80, 11,178,032.70 and 4,263,375.80 is: 6,395,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452,021.80 : 11,178,032.70 = 4,263,375.80 : x
  2. Step 2: Convert to fraction form
    7,452,021.80/11,178,032.70 = 4,263,375.80/x
  3. Step 3: Cross multiply
    7,452,021.80x = 11,178,032.70 × 4,263,375.80
  4. Step 4: Simplify right side
    7,452,021.80x = 47,656,154,104,788.66
  5. Step 5: Solve for x
    x = 47,656,154,104,788.66/7,452,021.80
  6. Step 6: Final answer
    x = 6,395,063.70

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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.