Home / 12,798,904.41-17,662,148.96-7,572,182.18

Finding the Fourth Proportional to 12,798,904.41, 17,662,148.96 and 7,572,182.18

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Solution

The fourth proportional to 12,798,904.41, 17,662,148.96 and 7,572,182.18 is: 10,449,410.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,904.41 : 17,662,148.96 = 7,572,182.18 : x
  2. Step 2: Convert to fraction form
    12,798,904.41/17,662,148.96 = 7,572,182.18/x
  3. Step 3: Cross multiply
    12,798,904.41x = 17,662,148.96 × 7,572,182.18
  4. Step 4: Simplify right side
    12,798,904.41x = 133,741,009,489,245.86
  5. Step 5: Solve for x
    x = 133,741,009,489,245.86/12,798,904.41
  6. Step 6: Final answer
    x = 10,449,410.76

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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.