Home / 14,374,874.14-19,839,065.86-8,181,426.76

Finding the Fourth Proportional to 14,374,874.14, 19,839,065.86 and 8,181,426.76

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Solution

The fourth proportional to 14,374,874.14, 19,839,065.86 and 8,181,426.76 is: 11,291,358.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,374,874.14 : 19,839,065.86 = 8,181,426.76 : x
  2. Step 2: Convert to fraction form
    14,374,874.14/19,839,065.86 = 8,181,426.76/x
  3. Step 3: Cross multiply
    14,374,874.14x = 19,839,065.86 × 8,181,426.76
  4. Step 4: Simplify right side
    14,374,874.14x = 162,311,864,320,406.41
  5. Step 5: Solve for x
    x = 162,311,864,320,406.41/14,374,874.14
  6. Step 6: Final answer
    x = 11,291,358.99

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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.