Home / 6,386,378-8,813,201.64-4,352,740.16

Finding the Fourth Proportional to 6,386,378, 8,813,201.64 and 4,352,740.16

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Solution

The fourth proportional to 6,386,378, 8,813,201.64 and 4,352,740.16 is: 6,006,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386,378 : 8,813,201.64 = 4,352,740.16 : x
  2. Step 2: Convert to fraction form
    6,386,378/8,813,201.64 = 4,352,740.16/x
  3. Step 3: Cross multiply
    6,386,378x = 8,813,201.64 × 4,352,740.16
  4. Step 4: Simplify right side
    6,386,378x = 38,361,576,716,605.87
  5. Step 5: Solve for x
    x = 38,361,576,716,605.87/6,386,378
  6. Step 6: Final answer
    x = 6,006,781.42

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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.