Home / 13,076,795.10-19,618,177.91-3,980,181.84

Finding the Fourth Proportional to 13,076,795.10, 19,618,177.91 and 3,980,181.84

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Solution

The fourth proportional to 13,076,795.10, 19,618,177.91 and 3,980,181.84 is: 5,971,181.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076,795.10 : 19,618,177.91 = 3,980,181.84 : x
  2. Step 2: Convert to fraction form
    13,076,795.10/19,618,177.91 = 3,980,181.84/x
  3. Step 3: Cross multiply
    13,076,795.10x = 19,618,177.91 × 3,980,181.84
  4. Step 4: Simplify right side
    13,076,795.10x = 78,083,915,451,271.16
  5. Step 5: Solve for x
    x = 78,083,915,451,271.16/13,076,795.10
  6. Step 6: Final answer
    x = 5,971,181.38

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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.