Home / 21,913,572.28-30,250,415.37-13,096,134.22

Finding the Fourth Proportional to 21,913,572.28, 30,250,415.37 and 13,096,134.22

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Solution

The fourth proportional to 21,913,572.28, 30,250,415.37 and 13,096,134.22 is: 18,078,453.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,913,572.28 : 30,250,415.37 = 13,096,134.22 : x
  2. Step 2: Convert to fraction form
    21,913,572.28/30,250,415.37 = 13,096,134.22/x
  3. Step 3: Cross multiply
    21,913,572.28x = 30,250,415.37 × 13,096,134.22
  4. Step 4: Simplify right side
    21,913,572.28x = 396,163,499,896,271
  5. Step 5: Solve for x
    x = 396,163,499,896,271/21,913,572.28
  6. Step 6: Final answer
    x = 18,078,453.61

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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.