Home / 13,466,132.48-18,583,380.86-7,665,287.21

Finding the Fourth Proportional to 13,466,132.48, 18,583,380.86 and 7,665,287.21

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Solution

The fourth proportional to 13,466,132.48, 18,583,380.86 and 7,665,287.21 is: 10,578,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466,132.48 : 18,583,380.86 = 7,665,287.21 : x
  2. Step 2: Convert to fraction form
    13,466,132.48/18,583,380.86 = 7,665,287.21/x
  3. Step 3: Cross multiply
    13,466,132.48x = 18,583,380.86 × 7,665,287.21
  4. Step 4: Simplify right side
    13,466,132.48x = 142,446,951,563,161.16
  5. Step 5: Solve for x
    x = 142,446,951,563,161.16/13,466,132.48
  6. Step 6: Final answer
    x = 10,578,163.53

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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.