Home / 20,463,007.20-30,694,510.80-14,005,999.05

Finding the Fourth Proportional to 20,463,007.20, 30,694,510.80 and 14,005,999.05

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Solution

The fourth proportional to 20,463,007.20, 30,694,510.80 and 14,005,999.05 is: 21,008,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463,007.20 : 30,694,510.80 = 14,005,999.05 : x
  2. Step 2: Convert to fraction form
    20,463,007.20/30,694,510.80 = 14,005,999.05/x
  3. Step 3: Cross multiply
    20,463,007.20x = 30,694,510.80 × 14,005,999.05
  4. Step 4: Simplify right side
    20,463,007.20x = 429,907,289,105,014.75
  5. Step 5: Solve for x
    x = 429,907,289,105,014.75/20,463,007.20
  6. Step 6: Final answer
    x = 21,008,998.58

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1.5x scale

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.