Home / 7,512,980.68-10,367,839.82-4,075,172.20

Finding the Fourth Proportional to 7,512,980.68, 10,367,839.82 and 4,075,172.20

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Solution

The fourth proportional to 7,512,980.68, 10,367,839.82 and 4,075,172.20 is: 5,623,697.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512,980.68 : 10,367,839.82 = 4,075,172.20 : x
  2. Step 2: Convert to fraction form
    7,512,980.68/10,367,839.82 = 4,075,172.20/x
  3. Step 3: Cross multiply
    7,512,980.68x = 10,367,839.82 × 4,075,172.20
  4. Step 4: Simplify right side
    7,512,980.68x = 42,250,732,608,517.01
  5. Step 5: Solve for x
    x = 42,250,732,608,517.01/7,512,980.68
  6. Step 6: Final answer
    x = 5,623,697.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.