Home / 15,185,014.08-20,955,318.96-8,309,496.96

Finding the Fourth Proportional to 15,185,014.08, 20,955,318.96 and 8,309,496.96

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Solution

The fourth proportional to 15,185,014.08, 20,955,318.96 and 8,309,496.96 is: 11,467,105.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185,014.08 : 20,955,318.96 = 8,309,496.96 : x
  2. Step 2: Convert to fraction form
    15,185,014.08/20,955,318.96 = 8,309,496.96/x
  3. Step 3: Cross multiply
    15,185,014.08x = 20,955,318.96 × 8,309,496.96
  4. Step 4: Simplify right side
    15,185,014.08x = 174,128,159,193,950.38
  5. Step 5: Solve for x
    x = 174,128,159,193,950.38/15,185,014.08
  6. Step 6: Final answer
    x = 11,467,105.55

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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.