Home / 7,297,172.88-10,947,543.12-5,142,401.04

Finding the Fourth Proportional to 7,297,172.88, 10,947,543.12 and 5,142,401.04

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Solution

The fourth proportional to 7,297,172.88, 10,947,543.12 and 5,142,401.04 is: 7,714,858.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297,172.88 : 10,947,543.12 = 5,142,401.04 : x
  2. Step 2: Convert to fraction form
    7,297,172.88/10,947,543.12 = 5,142,401.04/x
  3. Step 3: Cross multiply
    7,297,172.88x = 10,947,543.12 × 5,142,401.04
  4. Step 4: Simplify right side
    7,297,172.88x = 56,296,657,125,732.84
  5. Step 5: Solve for x
    x = 56,296,657,125,732.84/7,297,172.88
  6. Step 6: Final answer
    x = 7,714,858.62

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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.