Home / 11,176,065.36-15,411,486.78-9,339,838.29

Finding the Fourth Proportional to 11,176,065.36, 15,411,486.78 and 9,339,838.29

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Solution

The fourth proportional to 11,176,065.36, 15,411,486.78 and 9,339,838.29 is: 12,879,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176,065.36 : 15,411,486.78 = 9,339,838.29 : x
  2. Step 2: Convert to fraction form
    11,176,065.36/15,411,486.78 = 9,339,838.29/x
  3. Step 3: Cross multiply
    11,176,065.36x = 15,411,486.78 × 9,339,838.29
  4. Step 4: Simplify right side
    11,176,065.36x = 143,940,794,333,672.78
  5. Step 5: Solve for x
    x = 143,940,794,333,672.78/11,176,065.36
  6. Step 6: Final answer
    x = 12,879,380.15

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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.