Home / 14,620,296.86-20,178,121.12-8,424,157.32

Finding the Fourth Proportional to 14,620,296.86, 20,178,121.12 and 8,424,157.32

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Solution

The fourth proportional to 14,620,296.86, 20,178,121.12 and 8,424,157.32 is: 11,626,553.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620,296.86 : 20,178,121.12 = 8,424,157.32 : x
  2. Step 2: Convert to fraction form
    14,620,296.86/20,178,121.12 = 8,424,157.32/x
  3. Step 3: Cross multiply
    14,620,296.86x = 20,178,121.12 × 8,424,157.32
  4. Step 4: Simplify right side
    14,620,296.86x = 169,983,666,736,894.62
  5. Step 5: Solve for x
    x = 169,983,666,736,894.62/14,620,296.86
  6. Step 6: Final answer
    x = 11,626,553.71

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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.