Home / 9,049,858.62-12,485,271.15-5,180,311.86

Finding the Fourth Proportional to 9,049,858.62, 12,485,271.15 and 5,180,311.86

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Solution

The fourth proportional to 9,049,858.62, 12,485,271.15 and 5,180,311.86 is: 7,146,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049,858.62 : 12,485,271.15 = 5,180,311.86 : x
  2. Step 2: Convert to fraction form
    9,049,858.62/12,485,271.15 = 5,180,311.86/x
  3. Step 3: Cross multiply
    9,049,858.62x = 12,485,271.15 × 5,180,311.86
  4. Step 4: Simplify right side
    9,049,858.62x = 64,677,598,213,660.84
  5. Step 5: Solve for x
    x = 64,677,598,213,660.84/9,049,858.62
  6. Step 6: Final answer
    x = 7,146,807.58

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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.