Home / 18,446,762.80-27,678,017.40-8,857,205.20

Finding the Fourth Proportional to 18,446,762.80, 27,678,017.40 and 8,857,205.20

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Solution

The fourth proportional to 18,446,762.80, 27,678,017.40 and 8,857,205.20 is: 13,289,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446,762.80 : 27,678,017.40 = 8,857,205.20 : x
  2. Step 2: Convert to fraction form
    18,446,762.80/27,678,017.40 = 8,857,205.20/x
  3. Step 3: Cross multiply
    18,446,762.80x = 27,678,017.40 × 8,857,205.20
  4. Step 4: Simplify right side
    18,446,762.80x = 245,149,879,640,970.44
  5. Step 5: Solve for x
    x = 245,149,879,640,970.44/18,446,762.80
  6. Step 6: Final answer
    x = 13,289,588.11

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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.