Home / 19,369,809.20-26,728,358.60-11,926,289.20

Finding the Fourth Proportional to 19,369,809.20, 26,728,358.60 and 11,926,289.20

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Solution

The fourth proportional to 19,369,809.20, 26,728,358.60 and 11,926,289.20 is: 16,457,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369,809.20 : 26,728,358.60 = 11,926,289.20 : x
  2. Step 2: Convert to fraction form
    19,369,809.20/26,728,358.60 = 11,926,289.20/x
  3. Step 3: Cross multiply
    19,369,809.20x = 26,728,358.60 × 11,926,289.20
  4. Step 4: Simplify right side
    19,369,809.20x = 318,770,134,504,907.12
  5. Step 5: Solve for x
    x = 318,770,134,504,907.12/19,369,809.20
  6. Step 6: Final answer
    x = 16,457,061.15

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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.