Home / 15,056,653.76-20,778,371.36-8,181,250.64

Finding the Fourth Proportional to 15,056,653.76, 20,778,371.36 and 8,181,250.64

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Solution

The fourth proportional to 15,056,653.76, 20,778,371.36 and 8,181,250.64 is: 11,290,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056,653.76 : 20,778,371.36 = 8,181,250.64 : x
  2. Step 2: Convert to fraction form
    15,056,653.76/20,778,371.36 = 8,181,250.64/x
  3. Step 3: Cross multiply
    15,056,653.76x = 20,778,371.36 × 8,181,250.64
  4. Step 4: Simplify right side
    15,056,653.76x = 169,993,063,987,157.66
  5. Step 5: Solve for x
    x = 169,993,063,987,157.66/15,056,653.76
  6. Step 6: Final answer
    x = 11,290,228.67

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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.