Home / 14,266,766.90-19,688,249.58-8,384,821.49

Finding the Fourth Proportional to 14,266,766.90, 19,688,249.58 and 8,384,821.49

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Solution

The fourth proportional to 14,266,766.90, 19,688,249.58 and 8,384,821.49 is: 11,571,119.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266,766.90 : 19,688,249.58 = 8,384,821.49 : x
  2. Step 2: Convert to fraction form
    14,266,766.90/19,688,249.58 = 8,384,821.49/x
  3. Step 3: Cross multiply
    14,266,766.90x = 19,688,249.58 × 8,384,821.49
  4. Step 4: Simplify right side
    14,266,766.90x = 165,082,458,178,867.47
  5. Step 5: Solve for x
    x = 165,082,458,178,867.47/14,266,766.90
  6. Step 6: Final answer
    x = 11,571,119.04

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1.5x scale

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.