Home / 13,671,218.16-20,511,316.68-5,590,989.44

Finding the Fourth Proportional to 13,671,218.16, 20,511,316.68 and 5,590,989.44

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Solution

The fourth proportional to 13,671,218.16, 20,511,316.68 and 5,590,989.44 is: 8,388,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671,218.16 : 20,511,316.68 = 5,590,989.44 : x
  2. Step 2: Convert to fraction form
    13,671,218.16/20,511,316.68 = 5,590,989.44/x
  3. Step 3: Cross multiply
    13,671,218.16x = 20,511,316.68 × 5,590,989.44
  4. Step 4: Simplify right side
    13,671,218.16x = 114,678,554,958,375.86
  5. Step 5: Solve for x
    x = 114,678,554,958,375.86/13,671,218.16
  6. Step 6: Final answer
    x = 8,388,320.16

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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.