Home / 9,282,390.42-12,810,509.38-5,416,157.14

Finding the Fourth Proportional to 9,282,390.42, 12,810,509.38 and 5,416,157.14

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Solution

The fourth proportional to 9,282,390.42, 12,810,509.38 and 5,416,157.14 is: 7,474,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,282,390.42 : 12,810,509.38 = 5,416,157.14 : x
  2. Step 2: Convert to fraction form
    9,282,390.42/12,810,509.38 = 5,416,157.14/x
  3. Step 3: Cross multiply
    9,282,390.42x = 12,810,509.38 × 5,416,157.14
  4. Step 4: Simplify right side
    9,282,390.42x = 69,383,731,845,523.98
  5. Step 5: Solve for x
    x = 69,383,731,845,523.98/9,282,390.42
  6. Step 6: Final answer
    x = 7,474,769.83

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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.