Home / 12,819,357.08-17,690,627.46-7,018,236.32

Finding the Fourth Proportional to 12,819,357.08, 17,690,627.46 and 7,018,236.32

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Solution

The fourth proportional to 12,819,357.08, 17,690,627.46 and 7,018,236.32 is: 9,685,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,357.08 : 17,690,627.46 = 7,018,236.32 : x
  2. Step 2: Convert to fraction form
    12,819,357.08/17,690,627.46 = 7,018,236.32/x
  3. Step 3: Cross multiply
    12,819,357.08x = 17,690,627.46 × 7,018,236.32
  4. Step 4: Simplify right side
    12,819,357.08x = 124,157,004,163,361.36
  5. Step 5: Solve for x
    x = 124,157,004,163,361.36/12,819,357.08
  6. Step 6: Final answer
    x = 9,685,119.42

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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.