Home / 17,668,985.40-26,487,926.10-11,970,732.60

Finding the Fourth Proportional to 17,668,985.40, 26,487,926.10 and 11,970,732.60

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Solution

The fourth proportional to 17,668,985.40, 26,487,926.10 and 11,970,732.60 is: 17,945,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,668,985.40 : 26,487,926.10 = 11,970,732.60 : x
  2. Step 2: Convert to fraction form
    17,668,985.40/26,487,926.10 = 11,970,732.60/x
  3. Step 3: Cross multiply
    17,668,985.40x = 26,487,926.10 × 11,970,732.60
  4. Step 4: Simplify right side
    17,668,985.40x = 317,079,880,471,660.88
  5. Step 5: Solve for x
    x = 317,079,880,471,660.88/17,668,985.40
  6. Step 6: Final answer
    x = 17,945,562.42

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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.