Home / 6,878,081.40-10,292,627.70-5,989,284.60

Finding the Fourth Proportional to 6,878,081.40, 10,292,627.70 and 5,989,284.60

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Solution

The fourth proportional to 6,878,081.40, 10,292,627.70 and 5,989,284.60 is: 8,962,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,081.40 : 10,292,627.70 = 5,989,284.60 : x
  2. Step 2: Convert to fraction form
    6,878,081.40/10,292,627.70 = 5,989,284.60/x
  3. Step 3: Cross multiply
    6,878,081.40x = 10,292,627.70 × 5,989,284.60
  4. Step 4: Simplify right side
    6,878,081.40x = 61,645,476,577,143.41
  5. Step 5: Solve for x
    x = 61,645,476,577,143.41/6,878,081.40
  6. Step 6: Final answer
    x = 8,962,597.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.