Home / 12,203,955.32-18,334,517.06-11,514,547.31

Finding the Fourth Proportional to 12,203,955.32, 18,334,517.06 and 11,514,547.31

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Solution

The fourth proportional to 12,203,955.32, 18,334,517.06 and 11,514,547.31 is: 17,298,790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203,955.32 : 18,334,517.06 = 11,514,547.31 : x
  2. Step 2: Convert to fraction form
    12,203,955.32/18,334,517.06 = 11,514,547.31/x
  3. Step 3: Cross multiply
    12,203,955.32x = 18,334,517.06 × 11,514,547.31
  4. Step 4: Simplify right side
    12,203,955.32x = 211,113,664,030,485.88
  5. Step 5: Solve for x
    x = 211,113,664,030,485.88/12,203,955.32
  6. Step 6: Final answer
    x = 17,298,790.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.