Home / 6,290,374.68-9,421,731.54-5,198,512.92

Finding the Fourth Proportional to 6,290,374.68, 9,421,731.54 and 5,198,512.92

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Solution

The fourth proportional to 6,290,374.68, 9,421,731.54 and 5,198,512.92 is: 7,786,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290,374.68 : 9,421,731.54 = 5,198,512.92 : x
  2. Step 2: Convert to fraction form
    6,290,374.68/9,421,731.54 = 5,198,512.92/x
  3. Step 3: Cross multiply
    6,290,374.68x = 9,421,731.54 × 5,198,512.92
  4. Step 4: Simplify right side
    6,290,374.68x = 48,978,993,139,461.49
  5. Step 5: Solve for x
    x = 48,978,993,139,461.49/6,290,374.68
  6. Step 6: Final answer
    x = 7,786,339.55

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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.