Home / 20,603,190.58-28,432,332.70-11,310,529.16

Finding the Fourth Proportional to 20,603,190.58, 28,432,332.70 and 11,310,529.16

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Solution

The fourth proportional to 20,603,190.58, 28,432,332.70 and 11,310,529.16 is: 15,608,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,603,190.58 : 28,432,332.70 = 11,310,529.16 : x
  2. Step 2: Convert to fraction form
    20,603,190.58/28,432,332.70 = 11,310,529.16/x
  3. Step 3: Cross multiply
    20,603,190.58x = 28,432,332.70 × 11,310,529.16
  4. Step 4: Simplify right side
    20,603,190.58x = 321,584,728,196,597.75
  5. Step 5: Solve for x
    x = 321,584,728,196,597.75/20,603,190.58
  6. Step 6: Final answer
    x = 15,608,491.66

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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.