Home / 7,512,979.68-10,367,838.44-4,075,171.20

Finding the Fourth Proportional to 7,512,979.68, 10,367,838.44 and 4,075,171.20

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Solution

The fourth proportional to 7,512,979.68, 10,367,838.44 and 4,075,171.20 is: 5,623,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512,979.68 : 10,367,838.44 = 4,075,171.20 : x
  2. Step 2: Convert to fraction form
    7,512,979.68/10,367,838.44 = 4,075,171.20/x
  3. Step 3: Cross multiply
    7,512,979.68x = 10,367,838.44 × 4,075,171.20
  4. Step 4: Simplify right side
    7,512,979.68x = 42,250,716,616,940.93
  5. Step 5: Solve for x
    x = 42,250,716,616,940.93/7,512,979.68
  6. Step 6: Final answer
    x = 5,623,696.38

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1.5x scale

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.