Home / 13,716,841.95-18,920,566.04-8,813,636.55

Finding the Fourth Proportional to 13,716,841.95, 18,920,566.04 and 8,813,636.55

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Solution

The fourth proportional to 13,716,841.95, 18,920,566.04 and 8,813,636.55 is: 12,157,243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716,841.95 : 18,920,566.04 = 8,813,636.55 : x
  2. Step 2: Convert to fraction form
    13,716,841.95/18,920,566.04 = 8,813,636.55/x
  3. Step 3: Cross multiply
    13,716,841.95x = 18,920,566.04 × 8,813,636.55
  4. Step 4: Simplify right side
    13,716,841.95x = 166,758,992,352,764.59
  5. Step 5: Solve for x
    x = 166,758,992,352,764.59/13,716,841.95
  6. Step 6: Final answer
    x = 12,157,243.84

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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.