Home / 13,920,051.44-20,873,326.62-8,164,665.74

Finding the Fourth Proportional to 13,920,051.44, 20,873,326.62 and 8,164,665.74

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Solution

The fourth proportional to 13,920,051.44, 20,873,326.62 and 8,164,665.74 is: 12,243,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,920,051.44 : 20,873,326.62 = 8,164,665.74 : x
  2. Step 2: Convert to fraction form
    13,920,051.44/20,873,326.62 = 8,164,665.74/x
  3. Step 3: Cross multiply
    13,920,051.44x = 20,873,326.62 × 8,164,665.74
  4. Step 4: Simplify right side
    13,920,051.44x = 170,423,734,734,144
  5. Step 5: Solve for x
    x = 170,423,734,734,144/13,920,051.44
  6. Step 6: Final answer
    x = 12,243,039.15

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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.