Home / 17,966,417.80-26,949,626.70-7,185,382.60

Finding the Fourth Proportional to 17,966,417.80, 26,949,626.70 and 7,185,382.60

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Solution

The fourth proportional to 17,966,417.80, 26,949,626.70 and 7,185,382.60 is: 10,778,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966,417.80 : 26,949,626.70 = 7,185,382.60 : x
  2. Step 2: Convert to fraction form
    17,966,417.80/26,949,626.70 = 7,185,382.60/x
  3. Step 3: Cross multiply
    17,966,417.80x = 26,949,626.70 × 7,185,382.60
  4. Step 4: Simplify right side
    17,966,417.80x = 193,643,378,766,675.41
  5. Step 5: Solve for x
    x = 193,643,378,766,675.41/17,966,417.80
  6. Step 6: Final answer
    x = 10,778,073.90

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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.