Home / 6,869,128.68-9,478,922.58-3,813,101.64

Finding the Fourth Proportional to 6,869,128.68, 9,478,922.58 and 3,813,101.64

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Solution

The fourth proportional to 6,869,128.68, 9,478,922.58 and 3,813,101.64 is: 5,261,816.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869,128.68 : 9,478,922.58 = 3,813,101.64 : x
  2. Step 2: Convert to fraction form
    6,869,128.68/9,478,922.58 = 3,813,101.64/x
  3. Step 3: Cross multiply
    6,869,128.68x = 9,478,922.58 × 3,813,101.64
  4. Step 4: Simplify right side
    6,869,128.68x = 36,144,095,235,231.03
  5. Step 5: Solve for x
    x = 36,144,095,235,231.03/6,869,128.68
  6. Step 6: Final answer
    x = 5,261,816.59

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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.