Home / 17,497,979.40-26,246,969.10-12,112,710.60

Finding the Fourth Proportional to 17,497,979.40, 26,246,969.10 and 12,112,710.60

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Solution

The fourth proportional to 17,497,979.40, 26,246,969.10 and 12,112,710.60 is: 18,169,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,497,979.40 : 26,246,969.10 = 12,112,710.60 : x
  2. Step 2: Convert to fraction form
    17,497,979.40/26,246,969.10 = 12,112,710.60/x
  3. Step 3: Cross multiply
    17,497,979.40x = 26,246,969.10 × 12,112,710.60
  4. Step 4: Simplify right side
    17,497,979.40x = 317,921,940,835,442.44
  5. Step 5: Solve for x
    x = 317,921,940,835,442.44/17,497,979.40
  6. Step 6: Final answer
    x = 18,169,065.90

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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.