Home / 22,078,840.60-30,468,801.40-12,289,074.76

Finding the Fourth Proportional to 22,078,840.60, 30,468,801.40 and 12,289,074.76

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Solution

The fourth proportional to 22,078,840.60, 30,468,801.40 and 12,289,074.76 is: 16,958,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078,840.60 : 30,468,801.40 = 12,289,074.76 : x
  2. Step 2: Convert to fraction form
    22,078,840.60/30,468,801.40 = 12,289,074.76/x
  3. Step 3: Cross multiply
    22,078,840.60x = 30,468,801.40 × 12,289,074.76
  4. Step 4: Simplify right side
    22,078,840.60x = 374,433,378,190,747.25
  5. Step 5: Solve for x
    x = 374,433,378,190,747.25/22,078,840.60
  6. Step 6: Final answer
    x = 16,958,923.93

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1.5x scale

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.