Home / 18,621,018.33-27,935,547.80-5,668,181.86

Finding the Fourth Proportional to 18,621,018.33, 27,935,547.80 and 5,668,181.86

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Solution

The fourth proportional to 18,621,018.33, 27,935,547.80 and 5,668,181.86 is: 8,503,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621,018.33 : 27,935,547.80 = 5,668,181.86 : x
  2. Step 2: Convert to fraction form
    18,621,018.33/27,935,547.80 = 5,668,181.86/x
  3. Step 3: Cross multiply
    18,621,018.33x = 27,935,547.80 × 5,668,181.86
  4. Step 4: Simplify right side
    18,621,018.33x = 158,343,765,289,122.91
  5. Step 5: Solve for x
    x = 158,343,765,289,122.91/18,621,018.33
  6. Step 6: Final answer
    x = 8,503,496.56

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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.