Home / 38,162,718.64-57,213,971.92-18,983,007.28

Finding the Fourth Proportional to 38,162,718.64, 57,213,971.92 and 18,983,007.28

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Solution

The fourth proportional to 38,162,718.64, 57,213,971.92 and 18,983,007.28 is: 28,459,535.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,162,718.64 : 57,213,971.92 = 18,983,007.28 : x
  2. Step 2: Convert to fraction form
    38,162,718.64/57,213,971.92 = 18,983,007.28/x
  3. Step 3: Cross multiply
    38,162,718.64x = 57,213,971.92 × 18,983,007.28
  4. Step 4: Simplify right side
    38,162,718.64x = 1,086,093,245,475,075.62
  5. Step 5: Solve for x
    x = 1,086,093,245,475,075.62/38,162,718.64
  6. Step 6: Final answer
    x = 28,459,535.49

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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.