Home / 13,765,183.96-18,995,838.76-7,653,559

Finding the Fourth Proportional to 13,765,183.96, 18,995,838.76 and 7,653,559

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Solution

The fourth proportional to 13,765,183.96, 18,995,838.76 and 7,653,559 is: 10,561,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765,183.96 : 18,995,838.76 = 7,653,559 : x
  2. Step 2: Convert to fraction form
    13,765,183.96/18,995,838.76 = 7,653,559/x
  3. Step 3: Cross multiply
    13,765,183.96x = 18,995,838.76 × 7,653,559
  4. Step 4: Simplify right side
    13,765,183.96x = 145,385,772,704,146.84
  5. Step 5: Solve for x
    x = 145,385,772,704,146.84/13,765,183.96
  6. Step 6: Final answer
    x = 10,561,847.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.