Home / 25,566,778.87-38,210,078.18-18,664,792.81

Finding the Fourth Proportional to 25,566,778.87, 38,210,078.18 and 18,664,792.81

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Solution

The fourth proportional to 25,566,778.87, 38,210,078.18 and 18,664,792.81 is: 27,894,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,566,778.87 : 38,210,078.18 = 18,664,792.81 : x
  2. Step 2: Convert to fraction form
    25,566,778.87/38,210,078.18 = 18,664,792.81/x
  3. Step 3: Cross multiply
    25,566,778.87x = 38,210,078.18 × 18,664,792.81
  4. Step 4: Simplify right side
    25,566,778.87x = 713,183,192,483,601.88
  5. Step 5: Solve for x
    x = 713,183,192,483,601.88/25,566,778.87
  6. Step 6: Final answer
    x = 27,894,917.70

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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.