Home / 8,260,181.76-11,398,982.40-4,638,432

Finding the Fourth Proportional to 8,260,181.76, 11,398,982.40 and 4,638,432

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Solution

The fourth proportional to 8,260,181.76, 11,398,982.40 and 4,638,432 is: 6,400,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260,181.76 : 11,398,982.40 = 4,638,432 : x
  2. Step 2: Convert to fraction form
    8,260,181.76/11,398,982.40 = 4,638,432/x
  3. Step 3: Cross multiply
    8,260,181.76x = 11,398,982.40 × 4,638,432
  4. Step 4: Simplify right side
    8,260,181.76x = 52,873,404,731,596.80
  5. Step 5: Solve for x
    x = 52,873,404,731,596.80/8,260,181.76
  6. Step 6: Final answer
    x = 6,400,997.73

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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.