Home / 28,988,634.36-43,481,816.63-9,819,391.39

Finding the Fourth Proportional to 28,988,634.36, 43,481,816.63 and 9,819,391.39

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Solution

The fourth proportional to 28,988,634.36, 43,481,816.63 and 9,819,391.39 is: 14,728,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988,634.36 : 43,481,816.63 = 9,819,391.39 : x
  2. Step 2: Convert to fraction form
    28,988,634.36/43,481,816.63 = 9,819,391.39/x
  3. Step 3: Cross multiply
    28,988,634.36x = 43,481,816.63 × 9,819,391.39
  4. Step 4: Simplify right side
    28,988,634.36x = 426,964,975,838,180.88
  5. Step 5: Solve for x
    x = 426,964,975,838,180.88/28,988,634.36
  6. Step 6: Final answer
    x = 14,728,702.65

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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.