Home / 6,398,607.30-8,830,183.08-3,820,513.38

Finding the Fourth Proportional to 6,398,607.30, 8,830,183.08 and 3,820,513.38

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Solution

The fourth proportional to 6,398,607.30, 8,830,183.08 and 3,820,513.38 is: 5,272,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398,607.30 : 8,830,183.08 = 3,820,513.38 : x
  2. Step 2: Convert to fraction form
    6,398,607.30/8,830,183.08 = 3,820,513.38/x
  3. Step 3: Cross multiply
    6,398,607.30x = 8,830,183.08 × 3,820,513.38
  4. Step 4: Simplify right side
    6,398,607.30x = 33,735,832,604,989.61
  5. Step 5: Solve for x
    x = 33,735,832,604,989.61/6,398,607.30
  6. Step 6: Final answer
    x = 5,272,371.16

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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.