Home / 18,848,286.63-28,246,272.48-8,588,071.85

Finding the Fourth Proportional to 18,848,286.63, 28,246,272.48 and 8,588,071.85

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Solution

The fourth proportional to 18,848,286.63, 28,246,272.48 and 8,588,071.85 is: 12,870,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848,286.63 : 28,246,272.48 = 8,588,071.85 : x
  2. Step 2: Convert to fraction form
    18,848,286.63/28,246,272.48 = 8,588,071.85/x
  3. Step 3: Cross multiply
    18,848,286.63x = 28,246,272.48 × 8,588,071.85
  4. Step 4: Simplify right side
    18,848,286.63x = 242,581,017,411,686.34
  5. Step 5: Solve for x
    x = 242,581,017,411,686.34/18,848,286.63
  6. Step 6: Final answer
    x = 12,870,189.33

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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.