Home / 6,220,404.54-8,564,622.86-5,288,278.14

Finding the Fourth Proportional to 6,220,404.54, 8,564,622.86 and 5,288,278.14

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Solution

The fourth proportional to 6,220,404.54, 8,564,622.86 and 5,288,278.14 is: 7,281,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220,404.54 : 8,564,622.86 = 5,288,278.14 : x
  2. Step 2: Convert to fraction form
    6,220,404.54/8,564,622.86 = 5,288,278.14/x
  3. Step 3: Cross multiply
    6,220,404.54x = 8,564,622.86 × 5,288,278.14
  4. Step 4: Simplify right side
    6,220,404.54x = 45,292,107,861,102.98
  5. Step 5: Solve for x
    x = 45,292,107,861,102.98/6,220,404.54
  6. Step 6: Final answer
    x = 7,281,215.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.