Home / 20,178,820.37-27,847,360.37-11,012,053.61

Finding the Fourth Proportional to 20,178,820.37, 27,847,360.37 and 11,012,053.61

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Solution

The fourth proportional to 20,178,820.37, 27,847,360.37 and 11,012,053.61 is: 15,196,955.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,820.37 : 27,847,360.37 = 11,012,053.61 : x
  2. Step 2: Convert to fraction form
    20,178,820.37/27,847,360.37 = 11,012,053.61/x
  3. Step 3: Cross multiply
    20,178,820.37x = 27,847,360.37 × 11,012,053.61
  4. Step 4: Simplify right side
    20,178,820.37x = 306,656,625,291,429.44
  5. Step 5: Solve for x
    x = 306,656,625,291,429.44/20,178,820.37
  6. Step 6: Final answer
    x = 15,196,955.01

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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.