Home / 6,718,784.07-9,271,921.68-3,818,180.55

Finding the Fourth Proportional to 6,718,784.07, 9,271,921.68 and 3,818,180.55

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Solution

The fourth proportional to 6,718,784.07, 9,271,921.68 and 3,818,180.55 is: 5,269,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718,784.07 : 9,271,921.68 = 3,818,180.55 : x
  2. Step 2: Convert to fraction form
    6,718,784.07/9,271,921.68 = 3,818,180.55/x
  3. Step 3: Cross multiply
    6,718,784.07x = 9,271,921.68 × 3,818,180.55
  4. Step 4: Simplify right side
    6,718,784.07x = 35,401,871,019,699.32
  5. Step 5: Solve for x
    x = 35,401,871,019,699.32/6,718,784.07
  6. Step 6: Final answer
    x = 5,269,088.97

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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.