Home / 12,481,803.70-18,736,702.35-9,654,450.10

Finding the Fourth Proportional to 12,481,803.70, 18,736,702.35 and 9,654,450.10

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Solution

The fourth proportional to 12,481,803.70, 18,736,702.35 and 9,654,450.10 is: 14,492,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,803.70 : 18,736,702.35 = 9,654,450.10 : x
  2. Step 2: Convert to fraction form
    12,481,803.70/18,736,702.35 = 9,654,450.10/x
  3. Step 3: Cross multiply
    12,481,803.70x = 18,736,702.35 × 9,654,450.10
  4. Step 4: Simplify right side
    12,481,803.70x = 180,892,557,876,627.75
  5. Step 5: Solve for x
    x = 180,892,557,876,627.75/12,481,803.70
  6. Step 6: Final answer
    x = 14,492,501.42

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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.