Home / 15,060,621.76-20,783,818.56-8,185,104.16

Finding the Fourth Proportional to 15,060,621.76, 20,783,818.56 and 8,185,104.16

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Solution

The fourth proportional to 15,060,621.76, 20,783,818.56 and 8,185,104.16 is: 11,295,530.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,060,621.76 : 20,783,818.56 = 8,185,104.16 : x
  2. Step 2: Convert to fraction form
    15,060,621.76/20,783,818.56 = 8,185,104.16/x
  3. Step 3: Cross multiply
    15,060,621.76x = 20,783,818.56 × 8,185,104.16
  4. Step 4: Simplify right side
    15,060,621.76x = 170,117,719,756,141.19
  5. Step 5: Solve for x
    x = 170,117,719,756,141.19/15,060,621.76
  6. Step 6: Final answer
    x = 11,295,530.99

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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.