Home / 18,118,670.98-27,178,006.20-6,605,001.58

Finding the Fourth Proportional to 18,118,670.98, 27,178,006.20 and 6,605,001.58

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Solution

The fourth proportional to 18,118,670.98, 27,178,006.20 and 6,605,001.58 is: 9,907,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118,670.98 : 27,178,006.20 = 6,605,001.58 : x
  2. Step 2: Convert to fraction form
    18,118,670.98/27,178,006.20 = 6,605,001.58/x
  3. Step 3: Cross multiply
    18,118,670.98x = 27,178,006.20 × 6,605,001.58
  4. Step 4: Simplify right side
    18,118,670.98x = 179,510,773,892,249.78
  5. Step 5: Solve for x
    x = 179,510,773,892,249.78/18,118,670.98
  6. Step 6: Final answer
    x = 9,907,502.27

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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.