Home / 14,374,867.38-19,839,056.55-8,181,420

Finding the Fourth Proportional to 14,374,867.38, 19,839,056.55 and 8,181,420

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Solution

The fourth proportional to 14,374,867.38, 19,839,056.55 and 8,181,420 is: 11,291,349.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,374,867.38 : 19,839,056.55 = 8,181,420 : x
  2. Step 2: Convert to fraction form
    14,374,867.38/19,839,056.55 = 8,181,420/x
  3. Step 3: Cross multiply
    14,374,867.38x = 19,839,056.55 × 8,181,420
  4. Step 4: Simplify right side
    14,374,867.38x = 162,311,654,039,301
  5. Step 5: Solve for x
    x = 162,311,654,039,301/14,374,867.38
  6. Step 6: Final answer
    x = 11,291,349.67

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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.