Home / 18,412,430.91-27,626,610.77-9,882,802.86

Finding the Fourth Proportional to 18,412,430.91, 27,626,610.77 and 9,882,802.86

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Solution

The fourth proportional to 18,412,430.91, 27,626,610.77 and 9,882,802.86 is: 14,828,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412,430.91 : 27,626,610.77 = 9,882,802.86 : x
  2. Step 2: Convert to fraction form
    18,412,430.91/27,626,610.77 = 9,882,802.86/x
  3. Step 3: Cross multiply
    18,412,430.91x = 27,626,610.77 × 9,882,802.86
  4. Step 4: Simplify right side
    18,412,430.91x = 273,028,347,880,448.78
  5. Step 5: Solve for x
    x = 273,028,347,880,448.78/18,412,430.91
  6. Step 6: Final answer
    x = 14,828,479.15

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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.