Home / 10,374,971.60-15,564,790.20-3,186,837.20

Finding the Fourth Proportional to 10,374,971.60, 15,564,790.20 and 3,186,837.20

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Solution

The fourth proportional to 10,374,971.60, 15,564,790.20 and 3,186,837.20 is: 4,780,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374,971.60 : 15,564,790.20 = 3,186,837.20 : x
  2. Step 2: Convert to fraction form
    10,374,971.60/15,564,790.20 = 3,186,837.20/x
  3. Step 3: Cross multiply
    10,374,971.60x = 15,564,790.20 × 3,186,837.20
  4. Step 4: Simplify right side
    10,374,971.60x = 49,602,452,419,555.44
  5. Step 5: Solve for x
    x = 49,602,452,419,555.44/10,374,971.60
  6. Step 6: Final answer
    x = 4,780,972.36

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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.