Home / 15,168,705.12-20,932,813.44-8,293,187.52

Finding the Fourth Proportional to 15,168,705.12, 20,932,813.44 and 8,293,187.52

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Solution

The fourth proportional to 15,168,705.12, 20,932,813.44 and 8,293,187.52 is: 11,444,598.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168,705.12 : 20,932,813.44 = 8,293,187.52 : x
  2. Step 2: Convert to fraction form
    15,168,705.12/20,932,813.44 = 8,293,187.52/x
  3. Step 3: Cross multiply
    15,168,705.12x = 20,932,813.44 × 8,293,187.52
  4. Step 4: Simplify right side
    15,168,705.12x = 173,599,747,179,096.28
  5. Step 5: Solve for x
    x = 173,599,747,179,096.28/15,168,705.12
  6. Step 6: Final answer
    x = 11,444,598.98

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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.