Home / 7,318,818.21-10,100,028.46-4,055,687.47

Finding the Fourth Proportional to 7,318,818.21, 10,100,028.46 and 4,055,687.47

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Solution

The fourth proportional to 7,318,818.21, 10,100,028.46 and 4,055,687.47 is: 5,596,881.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318,818.21 : 10,100,028.46 = 4,055,687.47 : x
  2. Step 2: Convert to fraction form
    7,318,818.21/10,100,028.46 = 4,055,687.47/x
  3. Step 3: Cross multiply
    7,318,818.21x = 10,100,028.46 × 4,055,687.47
  4. Step 4: Simplify right side
    7,318,818.21x = 40,962,558,825,142.97
  5. Step 5: Solve for x
    x = 40,962,558,825,142.97/7,318,818.21
  6. Step 6: Final answer
    x = 5,596,881.58

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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.