Home / 18,412,173.90-27,617,262.39-5,632,679.70

Finding the Fourth Proportional to 18,412,173.90, 27,617,262.39 and 5,632,679.70

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Solution

The fourth proportional to 18,412,173.90, 27,617,262.39 and 5,632,679.70 is: 8,448,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412,173.90 : 27,617,262.39 = 5,632,679.70 : x
  2. Step 2: Convert to fraction form
    18,412,173.90/27,617,262.39 = 5,632,679.70/x
  3. Step 3: Cross multiply
    18,412,173.90x = 27,617,262.39 × 5,632,679.70
  4. Step 4: Simplify right side
    18,412,173.90x = 155,559,193,233,726.50
  5. Step 5: Solve for x
    x = 155,559,193,233,726.50/18,412,173.90
  6. Step 6: Final answer
    x = 8,448,714.10

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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.