Home / 18,668,320.40-27,970,987.80-9,063,016.40

Finding the Fourth Proportional to 18,668,320.40, 27,970,987.80 and 9,063,016.40

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Solution

The fourth proportional to 18,668,320.40, 27,970,987.80 and 9,063,016.40 is: 13,579,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668,320.40 : 27,970,987.80 = 9,063,016.40 : x
  2. Step 2: Convert to fraction form
    18,668,320.40/27,970,987.80 = 9,063,016.40/x
  3. Step 3: Cross multiply
    18,668,320.40x = 27,970,987.80 × 9,063,016.40
  4. Step 4: Simplify right side
    18,668,320.40x = 253,501,521,155,599.94
  5. Step 5: Solve for x
    x = 253,501,521,155,599.94/18,668,320.40
  6. Step 6: Final answer
    x = 13,579,235.61

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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.