Home / 13,701,192.50-18,907,639.08-8,194,567.25

Finding the Fourth Proportional to 13,701,192.50, 18,907,639.08 and 8,194,567.25

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Solution

The fourth proportional to 13,701,192.50, 18,907,639.08 and 8,194,567.25 is: 11,308,498.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701,192.50 : 18,907,639.08 = 8,194,567.25 : x
  2. Step 2: Convert to fraction form
    13,701,192.50/18,907,639.08 = 8,194,567.25/x
  3. Step 3: Cross multiply
    13,701,192.50x = 18,907,639.08 × 8,194,567.25
  4. Step 4: Simplify right side
    13,701,192.50x = 154,939,919,979,788.12
  5. Step 5: Solve for x
    x = 154,939,919,979,788.12/13,701,192.50
  6. Step 6: Final answer
    x = 11,308,498.88

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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.