Home / 13,176,666.58-18,181,214.94-8,279,051.44

Finding the Fourth Proportional to 13,176,666.58, 18,181,214.94 and 8,279,051.44

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Solution

The fourth proportional to 13,176,666.58, 18,181,214.94 and 8,279,051.44 is: 11,423,466.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176,666.58 : 18,181,214.94 = 8,279,051.44 : x
  2. Step 2: Convert to fraction form
    13,176,666.58/18,181,214.94 = 8,279,051.44/x
  3. Step 3: Cross multiply
    13,176,666.58x = 18,181,214.94 × 8,279,051.44
  4. Step 4: Simplify right side
    13,176,666.58x = 150,523,213,729,956.53
  5. Step 5: Solve for x
    x = 150,523,213,729,956.53/13,176,666.58
  6. Step 6: Final answer
    x = 11,423,466.84

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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.