Home / 11,482,720.40-17,224,080.60-5,105,428.40

Finding the Fourth Proportional to 11,482,720.40, 17,224,080.60 and 5,105,428.40

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Solution

The fourth proportional to 11,482,720.40, 17,224,080.60 and 5,105,428.40 is: 7,658,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482,720.40 : 17,224,080.60 = 5,105,428.40 : x
  2. Step 2: Convert to fraction form
    11,482,720.40/17,224,080.60 = 5,105,428.40/x
  3. Step 3: Cross multiply
    11,482,720.40x = 17,224,080.60 × 5,105,428.40
  4. Step 4: Simplify right side
    11,482,720.40x = 87,936,310,259,129.05
  5. Step 5: Solve for x
    x = 87,936,310,259,129.05/11,482,720.40
  6. Step 6: Final answer
    x = 7,658,142.60

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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.