Home / 13,268,736.08-18,316,505.52-8,920,344.36

Finding the Fourth Proportional to 13,268,736.08, 18,316,505.52 and 8,920,344.36

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Solution

The fourth proportional to 13,268,736.08, 18,316,505.52 and 8,920,344.36 is: 12,313,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268,736.08 : 18,316,505.52 = 8,920,344.36 : x
  2. Step 2: Convert to fraction form
    13,268,736.08/18,316,505.52 = 8,920,344.36/x
  3. Step 3: Cross multiply
    13,268,736.08x = 18,316,505.52 × 8,920,344.36
  4. Step 4: Simplify right side
    13,268,736.08x = 163,389,536,710,240.84
  5. Step 5: Solve for x
    x = 163,389,536,710,240.84/13,268,736.08
  6. Step 6: Final answer
    x = 12,313,873.43

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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.