Home / 18,923,009.80-28,384,514.70-8,826,651.40

Finding the Fourth Proportional to 18,923,009.80, 28,384,514.70 and 8,826,651.40

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Solution

The fourth proportional to 18,923,009.80, 28,384,514.70 and 8,826,651.40 is: 13,239,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923,009.80 : 28,384,514.70 = 8,826,651.40 : x
  2. Step 2: Convert to fraction form
    18,923,009.80/28,384,514.70 = 8,826,651.40/x
  3. Step 3: Cross multiply
    18,923,009.80x = 28,384,514.70 × 8,826,651.40
  4. Step 4: Simplify right side
    18,923,009.80x = 250,540,216,415,075.59
  5. Step 5: Solve for x
    x = 250,540,216,415,075.59/18,923,009.80
  6. Step 6: Final answer
    x = 13,239,977.10

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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.