Home / 36,749,989.20-55,133,288.56-12,157,858.13

Finding the Fourth Proportional to 36,749,989.20, 55,133,288.56 and 12,157,858.13

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Solution

The fourth proportional to 36,749,989.20, 55,133,288.56 and 12,157,858.13 is: 18,239,534.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,749,989.20 : 55,133,288.56 = 12,157,858.13 : x
  2. Step 2: Convert to fraction form
    36,749,989.20/55,133,288.56 = 12,157,858.13/x
  3. Step 3: Cross multiply
    36,749,989.20x = 55,133,288.56 × 12,157,858.13
  4. Step 4: Simplify right side
    36,749,989.20x = 670,302,700,552,832.12
  5. Step 5: Solve for x
    x = 670,302,700,552,832.12/36,749,989.20
  6. Step 6: Final answer
    x = 18,239,534.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.