Home / 7,268,579.40-10,900,900.80-2,150,999.40

Finding the Fourth Proportional to 7,268,579.40, 10,900,900.80 and 2,150,999.40

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Solution

The fourth proportional to 7,268,579.40, 10,900,900.80 and 2,150,999.40 is: 3,225,916.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268,579.40 : 10,900,900.80 = 2,150,999.40 : x
  2. Step 2: Convert to fraction form
    7,268,579.40/10,900,900.80 = 2,150,999.40/x
  3. Step 3: Cross multiply
    7,268,579.40x = 10,900,900.80 × 2,150,999.40
  4. Step 4: Simplify right side
    7,268,579.40x = 23,447,831,080,259.52
  5. Step 5: Solve for x
    x = 23,447,831,080,259.52/7,268,579.40
  6. Step 6: Final answer
    x = 3,225,916.62

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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.