Home / 7,347,814.80-11,021,722.20-5,458,246.80

Finding the Fourth Proportional to 7,347,814.80, 11,021,722.20 and 5,458,246.80

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Solution

The fourth proportional to 7,347,814.80, 11,021,722.20 and 5,458,246.80 is: 8,187,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347,814.80 : 11,021,722.20 = 5,458,246.80 : x
  2. Step 2: Convert to fraction form
    7,347,814.80/11,021,722.20 = 5,458,246.80/x
  3. Step 3: Cross multiply
    7,347,814.80x = 11,021,722.20 × 5,458,246.80
  4. Step 4: Simplify right side
    7,347,814.80x = 60,159,279,928,638.95
  5. Step 5: Solve for x
    x = 60,159,279,928,638.95/7,347,814.80
  6. Step 6: Final answer
    x = 8,187,370.20

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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.