Home / 36,749,987.54-55,133,286.12-12,157,856.51

Finding the Fourth Proportional to 36,749,987.54, 55,133,286.12 and 12,157,856.51

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Solution

The fourth proportional to 36,749,987.54, 55,133,286.12 and 12,157,856.51 is: 18,239,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,749,987.54 : 55,133,286.12 = 12,157,856.51 : x
  2. Step 2: Convert to fraction form
    36,749,987.54/55,133,286.12 = 12,157,856.51/x
  3. Step 3: Cross multiply
    36,749,987.54x = 55,133,286.12 × 12,157,856.51
  4. Step 4: Simplify right side
    36,749,987.54x = 670,302,581,571,734.62
  5. Step 5: Solve for x
    x = 670,302,581,571,734.62/36,749,987.54
  6. Step 6: Final answer
    x = 18,239,532.21

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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.