Home / 12,600,561.88-18,900,624.12-4,080,913.84

Finding the Fourth Proportional to 12,600,561.88, 18,900,624.12 and 4,080,913.84

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Solution

The fourth proportional to 12,600,561.88, 18,900,624.12 and 4,080,913.84 is: 6,121,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600,561.88 : 18,900,624.12 = 4,080,913.84 : x
  2. Step 2: Convert to fraction form
    12,600,561.88/18,900,624.12 = 4,080,913.84/x
  3. Step 3: Cross multiply
    12,600,561.88x = 18,900,624.12 × 4,080,913.84
  4. Step 4: Simplify right side
    12,600,561.88x = 77,131,818,555,945.83
  5. Step 5: Solve for x
    x = 77,131,818,555,945.83/12,600,561.88
  6. Step 6: Final answer
    x = 6,121,299.93

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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.