Home / 30,579,119.24-42,199,190.69-16,828,083.36

Finding the Fourth Proportional to 30,579,119.24, 42,199,190.69 and 16,828,083.36

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Solution

The fourth proportional to 30,579,119.24, 42,199,190.69 and 16,828,083.36 is: 23,222,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579,119.24 : 42,199,190.69 = 16,828,083.36 : x
  2. Step 2: Convert to fraction form
    30,579,119.24/42,199,190.69 = 16,828,083.36/x
  3. Step 3: Cross multiply
    30,579,119.24x = 42,199,190.69 × 16,828,083.36
  4. Step 4: Simplify right side
    30,579,119.24x = 710,131,498,571,715.50
  5. Step 5: Solve for x
    x = 710,131,498,571,715.50/30,579,119.24
  6. Step 6: Final answer
    x = 23,222,758.42

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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.