Home / 25,566,777.87-38,210,076.69-18,664,791.81

Finding the Fourth Proportional to 25,566,777.87, 38,210,076.69 and 18,664,791.81

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Solution

The fourth proportional to 25,566,777.87, 38,210,076.69 and 18,664,791.81 is: 27,894,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,566,777.87 : 38,210,076.69 = 18,664,791.81 : x
  2. Step 2: Convert to fraction form
    25,566,777.87/38,210,076.69 = 18,664,791.81/x
  3. Step 3: Cross multiply
    25,566,777.87x = 38,210,076.69 × 18,664,791.81
  4. Step 4: Simplify right side
    25,566,777.87x = 713,183,126,462,983.88
  5. Step 5: Solve for x
    x = 713,183,126,462,983.88/25,566,777.87
  6. Step 6: Final answer
    x = 27,894,916.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.