Home / 10,648,481.96-15,966,338.28-5,172,794.03

Finding the Fourth Proportional to 10,648,481.96, 15,966,338.28 and 5,172,794.03

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Solution

The fourth proportional to 10,648,481.96, 15,966,338.28 and 5,172,794.03 is: 7,756,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648,481.96 : 15,966,338.28 = 5,172,794.03 : x
  2. Step 2: Convert to fraction form
    10,648,481.96/15,966,338.28 = 5,172,794.03/x
  3. Step 3: Cross multiply
    10,648,481.96x = 15,966,338.28 × 5,172,794.03
  4. Step 4: Simplify right side
    10,648,481.96x = 82,590,579,403,709.70
  5. Step 5: Solve for x
    x = 82,590,579,403,709.70/10,648,481.96
  6. Step 6: Final answer
    x = 7,756,089.53

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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.