Home / 25,467,378.78-35,143,880.15-13,864,982.93

Finding the Fourth Proportional to 25,467,378.78, 35,143,880.15 and 13,864,982.93

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Solution

The fourth proportional to 25,467,378.78, 35,143,880.15 and 13,864,982.93 is: 19,133,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,467,378.78 : 35,143,880.15 = 13,864,982.93 : x
  2. Step 2: Convert to fraction form
    25,467,378.78/35,143,880.15 = 13,864,982.93/x
  3. Step 3: Cross multiply
    25,467,378.78x = 35,143,880.15 × 13,864,982.93
  4. Step 4: Simplify right side
    25,467,378.78x = 487,269,298,128,671.62
  5. Step 5: Solve for x
    x = 487,269,298,128,671.62/25,467,378.78
  6. Step 6: Final answer
    x = 19,133,076.17

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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.