Home / 22,129,842.94-30,539,183.25-12,962,485.69

Finding the Fourth Proportional to 22,129,842.94, 30,539,183.25 and 12,962,485.69

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Solution

The fourth proportional to 22,129,842.94, 30,539,183.25 and 12,962,485.69 is: 17,888,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129,842.94 : 30,539,183.25 = 12,962,485.69 : x
  2. Step 2: Convert to fraction form
    22,129,842.94/30,539,183.25 = 12,962,485.69/x
  3. Step 3: Cross multiply
    22,129,842.94x = 30,539,183.25 × 12,962,485.69
  4. Step 4: Simplify right side
    22,129,842.94x = 395,863,725,834,674.06
  5. Step 5: Solve for x
    x = 395,863,725,834,674.06/22,129,842.94
  6. Step 6: Final answer
    x = 17,888,230.25

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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.