Home / 5,426,374.06-8,128,919.76-3,147,110.32

Finding the Fourth Proportional to 5,426,374.06, 8,128,919.76 and 3,147,110.32

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Solution

The fourth proportional to 5,426,374.06, 8,128,919.76 and 3,147,110.32 is: 4,714,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,374.06 : 8,128,919.76 = 3,147,110.32 : x
  2. Step 2: Convert to fraction form
    5,426,374.06/8,128,919.76 = 3,147,110.32/x
  3. Step 3: Cross multiply
    5,426,374.06x = 8,128,919.76 × 3,147,110.32
  4. Step 4: Simplify right side
    5,426,374.06x = 25,582,607,267,147.92
  5. Step 5: Solve for x
    x = 25,582,607,267,147.92/5,426,374.06
  6. Step 6: Final answer
    x = 4,714,493.87

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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.