Home / 8,726,211-13,090,734.81-2,578,816.44

Finding the Fourth Proportional to 8,726,211, 13,090,734.81 and 2,578,816.44

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Solution

The fourth proportional to 8,726,211, 13,090,734.81 and 2,578,816.44 is: 3,868,643.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726,211 : 13,090,734.81 = 2,578,816.44 : x
  2. Step 2: Convert to fraction form
    8,726,211/13,090,734.81 = 2,578,816.44/x
  3. Step 3: Cross multiply
    8,726,211x = 13,090,734.81 × 2,578,816.44
  4. Step 4: Simplify right side
    8,726,211x = 33,758,602,139,708.28
  5. Step 5: Solve for x
    x = 33,758,602,139,708.28/8,726,211
  6. Step 6: Final answer
    x = 3,868,643.81

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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.