Home / 30,579,114.06-42,199,183.58-16,828,078.19

Finding the Fourth Proportional to 30,579,114.06, 42,199,183.58 and 16,828,078.19

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Solution

The fourth proportional to 30,579,114.06, 42,199,183.58 and 16,828,078.19 is: 23,222,751.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579,114.06 : 42,199,183.58 = 16,828,078.19 : x
  2. Step 2: Convert to fraction form
    30,579,114.06/42,199,183.58 = 16,828,078.19/x
  3. Step 3: Cross multiply
    30,579,114.06x = 42,199,183.58 × 16,828,078.19
  4. Step 4: Simplify right side
    30,579,114.06x = 710,131,160,543,267.75
  5. Step 5: Solve for x
    x = 710,131,160,543,267.75/30,579,114.06
  6. Step 6: Final answer
    x = 23,222,751.29

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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.