Home / 18,353,086.88-27,529,538.16-4,706,172.32

Finding the Fourth Proportional to 18,353,086.88, 27,529,538.16 and 4,706,172.32

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Solution

The fourth proportional to 18,353,086.88, 27,529,538.16 and 4,706,172.32 is: 7,059,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353,086.88 : 27,529,538.16 = 4,706,172.32 : x
  2. Step 2: Convert to fraction form
    18,353,086.88/27,529,538.16 = 4,706,172.32/x
  3. Step 3: Cross multiply
    18,353,086.88x = 27,529,538.16 × 4,706,172.32
  4. Step 4: Simplify right side
    18,353,086.88x = 129,558,750,470,975.73
  5. Step 5: Solve for x
    x = 129,558,750,470,975.73/18,353,086.88
  6. Step 6: Final answer
    x = 7,059,234.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.