Home / 20,323,682.37-30,480,642.32-9,383,360.51

Finding the Fourth Proportional to 20,323,682.37, 30,480,642.32 and 9,383,360.51

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Solution

The fourth proportional to 20,323,682.37, 30,480,642.32 and 9,383,360.51 is: 14,072,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323,682.37 : 30,480,642.32 = 9,383,360.51 : x
  2. Step 2: Convert to fraction form
    20,323,682.37/30,480,642.32 = 9,383,360.51/x
  3. Step 3: Cross multiply
    20,323,682.37x = 30,480,642.32 × 9,383,360.51
  4. Step 4: Simplify right side
    20,323,682.37x = 286,010,855,584,889.44
  5. Step 5: Solve for x
    x = 286,010,855,584,889.44/20,323,682.37
  6. Step 6: Final answer
    x = 14,072,787.12

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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.