Home / 15,019,335.22-20,727,090.15-8,493,940.48

Finding the Fourth Proportional to 15,019,335.22, 20,727,090.15 and 8,493,940.48

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Solution

The fourth proportional to 15,019,335.22, 20,727,090.15 and 8,493,940.48 is: 11,721,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019,335.22 : 20,727,090.15 = 8,493,940.48 : x
  2. Step 2: Convert to fraction form
    15,019,335.22/20,727,090.15 = 8,493,940.48/x
  3. Step 3: Cross multiply
    15,019,335.22x = 20,727,090.15 × 8,493,940.48
  4. Step 4: Simplify right side
    15,019,335.22x = 176,054,670,057,694.28
  5. Step 5: Solve for x
    x = 176,054,670,057,694.28/15,019,335.22
  6. Step 6: Final answer
    x = 11,721,868.34

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1.5x scale

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.