Home / 28,614,435.08-39,467,932.98-19,431,134.60

Finding the Fourth Proportional to 28,614,435.08, 39,467,932.98 and 19,431,134.60

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Solution

The fourth proportional to 28,614,435.08, 39,467,932.98 and 19,431,134.60 is: 26,801,392.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,614,435.08 : 39,467,932.98 = 19,431,134.60 : x
  2. Step 2: Convert to fraction form
    28,614,435.08/39,467,932.98 = 19,431,134.60/x
  3. Step 3: Cross multiply
    28,614,435.08x = 39,467,932.98 × 19,431,134.60
  4. Step 4: Simplify right side
    28,614,435.08x = 766,906,718,118,159.12
  5. Step 5: Solve for x
    x = 766,906,718,118,159.12/28,614,435.08
  6. Step 6: Final answer
    x = 26,801,392.93

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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.