Home / 18,668,319.40-27,970,986.30-9,063,015.40

Finding the Fourth Proportional to 18,668,319.40, 27,970,986.30 and 9,063,015.40

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Solution

The fourth proportional to 18,668,319.40, 27,970,986.30 and 9,063,015.40 is: 13,579,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668,319.40 : 27,970,986.30 = 9,063,015.40 : x
  2. Step 2: Convert to fraction form
    18,668,319.40/27,970,986.30 = 9,063,015.40/x
  3. Step 3: Cross multiply
    18,668,319.40x = 27,970,986.30 × 9,063,015.40
  4. Step 4: Simplify right side
    18,668,319.40x = 253,501,479,590,089.03
  5. Step 5: Solve for x
    x = 253,501,479,590,089.03/18,668,319.40
  6. Step 6: Final answer
    x = 13,579,234.11

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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.