Home / 15,403,035.64-21,256,194.34-8,434,153.97

Finding the Fourth Proportional to 15,403,035.64, 21,256,194.34 and 8,434,153.97

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Solution

The fourth proportional to 15,403,035.64, 21,256,194.34 and 8,434,153.97 is: 11,639,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403,035.64 : 21,256,194.34 = 8,434,153.97 : x
  2. Step 2: Convert to fraction form
    15,403,035.64/21,256,194.34 = 8,434,153.97/x
  3. Step 3: Cross multiply
    15,403,035.64x = 21,256,194.34 × 8,434,153.97
  4. Step 4: Simplify right side
    15,403,035.64x = 179,278,015,794,525.47
  5. Step 5: Solve for x
    x = 179,278,015,794,525.47/15,403,035.64
  6. Step 6: Final answer
    x = 11,639,135.30

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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.