Home / 12,469,235.70-18,693,485.55-5,286,285.30

Finding the Fourth Proportional to 12,469,235.70, 18,693,485.55 and 5,286,285.30

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Solution

The fourth proportional to 12,469,235.70, 18,693,485.55 and 5,286,285.30 is: 7,925,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469,235.70 : 18,693,485.55 = 5,286,285.30 : x
  2. Step 2: Convert to fraction form
    12,469,235.70/18,693,485.55 = 5,286,285.30/x
  3. Step 3: Cross multiply
    12,469,235.70x = 18,693,485.55 × 5,286,285.30
  4. Step 4: Simplify right side
    12,469,235.70x = 98,819,097,868,727.42
  5. Step 5: Solve for x
    x = 98,819,097,868,727.42/12,469,235.70
  6. Step 6: Final answer
    x = 7,925,032.48

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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.