Home / 12,469,446.90-18,709,558.74-6,705,443.52

Finding the Fourth Proportional to 12,469,446.90, 18,709,558.74 and 6,705,443.52

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Solution

The fourth proportional to 12,469,446.90, 18,709,558.74 and 6,705,443.52 is: 10,061,062.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469,446.90 : 18,709,558.74 = 6,705,443.52 : x
  2. Step 2: Convert to fraction form
    12,469,446.90/18,709,558.74 = 6,705,443.52/x
  3. Step 3: Cross multiply
    12,469,446.90x = 18,709,558.74 × 6,705,443.52
  4. Step 4: Simplify right side
    12,469,446.90x = 125,455,889,415,192.34
  5. Step 5: Solve for x
    x = 125,455,889,415,192.34/12,469,446.90
  6. Step 6: Final answer
    x = 10,061,062.89

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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.