Home / 28,534,993.76-42,803,894.64-11,493,362.72

Finding the Fourth Proportional to 28,534,993.76, 42,803,894.64 and 11,493,362.72

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Solution

The fourth proportional to 28,534,993.76, 42,803,894.64 and 11,493,362.72 is: 17,240,609.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534,993.76 : 42,803,894.64 = 11,493,362.72 : x
  2. Step 2: Convert to fraction form
    28,534,993.76/42,803,894.64 = 11,493,362.72/x
  3. Step 3: Cross multiply
    28,534,993.76x = 42,803,894.64 × 11,493,362.72
  4. Step 4: Simplify right side
    28,534,993.76x = 491,960,686,926,183.88
  5. Step 5: Solve for x
    x = 491,960,686,926,183.88/28,534,993.76
  6. Step 6: Final answer
    x = 17,240,609.58

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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.