Home / 18,400,571.96-25,392,962.97-10,140,936.35

Finding the Fourth Proportional to 18,400,571.96, 25,392,962.97 and 10,140,936.35

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Solution

The fourth proportional to 18,400,571.96, 25,392,962.97 and 10,140,936.35 is: 13,994,587.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400,571.96 : 25,392,962.97 = 10,140,936.35 : x
  2. Step 2: Convert to fraction form
    18,400,571.96/25,392,962.97 = 10,140,936.35/x
  3. Step 3: Cross multiply
    18,400,571.96x = 25,392,962.97 × 10,140,936.35
  4. Step 4: Simplify right side
    18,400,571.96x = 257,508,421,089,712.16
  5. Step 5: Solve for x
    x = 257,508,421,089,712.16/18,400,571.96
  6. Step 6: Final answer
    x = 13,994,587.87

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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.