Home / 12,481,801.70-18,736,699.35-9,654,448.10

Finding the Fourth Proportional to 12,481,801.70, 18,736,699.35 and 9,654,448.10

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Solution

The fourth proportional to 12,481,801.70, 18,736,699.35 and 9,654,448.10 is: 14,492,498.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,801.70 : 18,736,699.35 = 9,654,448.10 : x
  2. Step 2: Convert to fraction form
    12,481,801.70/18,736,699.35 = 9,654,448.10/x
  3. Step 3: Cross multiply
    12,481,801.70x = 18,736,699.35 × 9,654,448.10
  4. Step 4: Simplify right side
    12,481,801.70x = 180,892,491,439,878.75
  5. Step 5: Solve for x
    x = 180,892,491,439,878.75/12,481,801.70
  6. Step 6: Final answer
    x = 14,492,498.42

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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.