Home / 8,242,039.78-11,374,695.81-4,572,139.57

Finding the Fourth Proportional to 8,242,039.78, 11,374,695.81 and 4,572,139.57

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Solution

The fourth proportional to 8,242,039.78, 11,374,695.81 and 4,572,139.57 is: 6,309,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242,039.78 : 11,374,695.81 = 4,572,139.57 : x
  2. Step 2: Convert to fraction form
    8,242,039.78/11,374,695.81 = 4,572,139.57/x
  3. Step 3: Cross multiply
    8,242,039.78x = 11,374,695.81 × 4,572,139.57
  4. Step 4: Simplify right side
    8,242,039.78x = 52,006,696,809,614.21
  5. Step 5: Solve for x
    x = 52,006,696,809,614.21/8,242,039.78
  6. Step 6: Final answer
    x = 6,309,930.33

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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.