Home / 13,426,093.76-18,523,149.12-8,782,529.28

Finding the Fourth Proportional to 13,426,093.76, 18,523,149.12 and 8,782,529.28

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Solution

The fourth proportional to 13,426,093.76, 18,523,149.12 and 8,782,529.28 is: 12,116,711.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,093.76 : 18,523,149.12 = 8,782,529.28 : x
  2. Step 2: Convert to fraction form
    13,426,093.76/18,523,149.12 = 8,782,529.28/x
  3. Step 3: Cross multiply
    13,426,093.76x = 18,523,149.12 × 8,782,529.28
  4. Step 4: Simplify right side
    13,426,093.76x = 162,680,099,504,206.22
  5. Step 5: Solve for x
    x = 162,680,099,504,206.22/13,426,093.76
  6. Step 6: Final answer
    x = 12,116,711.12

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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.