Home / 17,966,905.80-26,950,358.70-7,185,870.60

Finding the Fourth Proportional to 17,966,905.80, 26,950,358.70 and 7,185,870.60

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Solution

The fourth proportional to 17,966,905.80, 26,950,358.70 and 7,185,870.60 is: 10,778,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966,905.80 : 26,950,358.70 = 7,185,870.60 : x
  2. Step 2: Convert to fraction form
    17,966,905.80/26,950,358.70 = 7,185,870.60/x
  3. Step 3: Cross multiply
    17,966,905.80x = 26,950,358.70 × 7,185,870.60
  4. Step 4: Simplify right side
    17,966,905.80x = 193,661,790,241,784.22
  5. Step 5: Solve for x
    x = 193,661,790,241,784.22/17,966,905.80
  6. Step 6: Final answer
    x = 10,778,805.90

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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.