Home / 7,878,201.68-10,880,886.38-5,295,398.42

Finding the Fourth Proportional to 7,878,201.68, 10,880,886.38 and 5,295,398.42

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Solution

The fourth proportional to 7,878,201.68, 10,880,886.38 and 5,295,398.42 is: 7,313,677.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,201.68 : 10,880,886.38 = 5,295,398.42 : x
  2. Step 2: Convert to fraction form
    7,878,201.68/10,880,886.38 = 5,295,398.42/x
  3. Step 3: Cross multiply
    7,878,201.68x = 10,880,886.38 × 5,295,398.42
  4. Step 4: Simplify right side
    7,878,201.68x = 57,618,628,544,851.52
  5. Step 5: Solve for x
    x = 57,618,628,544,851.52/7,878,201.68
  6. Step 6: Final answer
    x = 7,313,677.78

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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.