Home / 13,379,886.53-20,068,117.77-4,281,222.95

Finding the Fourth Proportional to 13,379,886.53, 20,068,117.77 and 4,281,222.95

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Solution

The fourth proportional to 13,379,886.53, 20,068,117.77 and 4,281,222.95 is: 6,421,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379,886.53 : 20,068,117.77 = 4,281,222.95 : x
  2. Step 2: Convert to fraction form
    13,379,886.53/20,068,117.77 = 4,281,222.95/x
  3. Step 3: Cross multiply
    13,379,886.53x = 20,068,117.77 × 4,281,222.95
  4. Step 4: Simplify right side
    13,379,886.53x = 85,916,086,238,480.12
  5. Step 5: Solve for x
    x = 85,916,086,238,480.12/13,379,886.53
  6. Step 6: Final answer
    x = 6,421,286.61

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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.