Home / 13,268,727.05-18,316,493.08-8,920,335.38

Finding the Fourth Proportional to 13,268,727.05, 18,316,493.08 and 8,920,335.38

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Solution

The fourth proportional to 13,268,727.05, 18,316,493.08 and 8,920,335.38 is: 12,313,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268,727.05 : 18,316,493.08 = 8,920,335.38 : x
  2. Step 2: Convert to fraction form
    13,268,727.05/18,316,493.08 = 8,920,335.38/x
  3. Step 3: Cross multiply
    13,268,727.05x = 18,316,493.08 × 8,920,335.38
  4. Step 4: Simplify right side
    13,268,727.05x = 163,389,261,145,165.88
  5. Step 5: Solve for x
    x = 163,389,261,145,165.88/13,268,727.05
  6. Step 6: Final answer
    x = 12,313,861.05

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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.