Home / 13,256,958.08-19,788,656.50-11,375,788.16

Finding the Fourth Proportional to 13,256,958.08, 19,788,656.50 and 11,375,788.16

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Solution

The fourth proportional to 13,256,958.08, 19,788,656.50 and 11,375,788.16 is: 16,980,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256,958.08 : 19,788,656.50 = 11,375,788.16 : x
  2. Step 2: Convert to fraction form
    13,256,958.08/19,788,656.50 = 11,375,788.16/x
  3. Step 3: Cross multiply
    13,256,958.08x = 19,788,656.50 × 11,375,788.16
  4. Step 4: Simplify right side
    13,256,958.08x = 225,111,564,315,007.03
  5. Step 5: Solve for x
    x = 225,111,564,315,007.03/13,256,958.08
  6. Step 6: Final answer
    x = 16,980,634.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.