Home / 11,302,198.36-15,602,812.86-8,718,078.04

Finding the Fourth Proportional to 11,302,198.36, 15,602,812.86 and 8,718,078.04

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Solution

The fourth proportional to 11,302,198.36, 15,602,812.86 and 8,718,078.04 is: 12,035,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,302,198.36 : 15,602,812.86 = 8,718,078.04 : x
  2. Step 2: Convert to fraction form
    11,302,198.36/15,602,812.86 = 8,718,078.04/x
  3. Step 3: Cross multiply
    11,302,198.36x = 15,602,812.86 × 8,718,078.04
  4. Step 4: Simplify right side
    11,302,198.36x = 136,026,540,156,995.58
  5. Step 5: Solve for x
    x = 136,026,540,156,995.58/11,302,198.36
  6. Step 6: Final answer
    x = 12,035,405.49

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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.