Home / 18,536,630.90-27,804,946.35-12,474,266.90

Finding the Fourth Proportional to 18,536,630.90, 27,804,946.35 and 12,474,266.90

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Solution

The fourth proportional to 18,536,630.90, 27,804,946.35 and 12,474,266.90 is: 18,711,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,630.90 : 27,804,946.35 = 12,474,266.90 : x
  2. Step 2: Convert to fraction form
    18,536,630.90/27,804,946.35 = 12,474,266.90/x
  3. Step 3: Cross multiply
    18,536,630.90x = 27,804,946.35 × 12,474,266.90
  4. Step 4: Simplify right side
    18,536,630.90x = 346,846,321,910,080.88
  5. Step 5: Solve for x
    x = 346,846,321,910,080.88/18,536,630.90
  6. Step 6: Final answer
    x = 18,711,400.35

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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.