Home / 10,925,351.20-16,388,026.80-7,524,128.80

Finding the Fourth Proportional to 10,925,351.20, 16,388,026.80 and 7,524,128.80

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Solution

The fourth proportional to 10,925,351.20, 16,388,026.80 and 7,524,128.80 is: 11,286,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925,351.20 : 16,388,026.80 = 7,524,128.80 : x
  2. Step 2: Convert to fraction form
    10,925,351.20/16,388,026.80 = 7,524,128.80/x
  3. Step 3: Cross multiply
    10,925,351.20x = 16,388,026.80 × 7,524,128.80
  4. Step 4: Simplify right side
    10,925,351.20x = 123,305,624,421,051.84
  5. Step 5: Solve for x
    x = 123,305,624,421,051.84/10,925,351.20
  6. Step 6: Final answer
    x = 11,286,193.20

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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.