Home / 13,916,430.80-20,839,216.80-13,278,701.60

Finding the Fourth Proportional to 13,916,430.80, 20,839,216.80 and 13,278,701.60

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Solution

The fourth proportional to 13,916,430.80, 20,839,216.80 and 13,278,701.60 is: 19,884,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916,430.80 : 20,839,216.80 = 13,278,701.60 : x
  2. Step 2: Convert to fraction form
    13,916,430.80/20,839,216.80 = 13,278,701.60/x
  3. Step 3: Cross multiply
    13,916,430.80x = 20,839,216.80 × 13,278,701.60
  4. Step 4: Simplify right side
    13,916,430.80x = 276,717,741,464,906.88
  5. Step 5: Solve for x
    x = 276,717,741,464,906.88/13,916,430.80
  6. Step 6: Final answer
    x = 19,884,246.57

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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.