Home / 14,928,108.98-20,601,453.22-8,402,161.12

Finding the Fourth Proportional to 14,928,108.98, 20,601,453.22 and 8,402,161.12

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Solution

The fourth proportional to 14,928,108.98, 20,601,453.22 and 8,402,161.12 is: 11,595,355.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928,108.98 : 20,601,453.22 = 8,402,161.12 : x
  2. Step 2: Convert to fraction form
    14,928,108.98/20,601,453.22 = 8,402,161.12/x
  3. Step 3: Cross multiply
    14,928,108.98x = 20,601,453.22 × 8,402,161.12
  4. Step 4: Simplify right side
    14,928,108.98x = 173,096,729,260,582.78
  5. Step 5: Solve for x
    x = 173,096,729,260,582.78/14,928,108.98
  6. Step 6: Final answer
    x = 11,595,355.41

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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.