Home / 43,439,447.04-65,127,578.32-20,398,508.79

Finding the Fourth Proportional to 43,439,447.04, 65,127,578.32 and 20,398,508.79

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Solution

The fourth proportional to 43,439,447.04, 65,127,578.32 and 20,398,508.79 is: 30,582,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,439,447.04 : 65,127,578.32 = 20,398,508.79 : x
  2. Step 2: Convert to fraction form
    43,439,447.04/65,127,578.32 = 20,398,508.79/x
  3. Step 3: Cross multiply
    43,439,447.04x = 65,127,578.32 × 20,398,508.79
  4. Step 4: Simplify right side
    43,439,447.04x = 1,328,505,478,831,933.50
  5. Step 5: Solve for x
    x = 1,328,505,478,831,933.50/43,439,447.04
  6. Step 6: Final answer
    x = 30,582,927.95

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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.