Home / 19,369,807.20-26,728,355.84-11,926,287.20

Finding the Fourth Proportional to 19,369,807.20, 26,728,355.84 and 11,926,287.20

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Solution

The fourth proportional to 19,369,807.20, 26,728,355.84 and 11,926,287.20 is: 16,457,058.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369,807.20 : 26,728,355.84 = 11,926,287.20 : x
  2. Step 2: Convert to fraction form
    19,369,807.20/26,728,355.84 = 11,926,287.20/x
  3. Step 3: Cross multiply
    19,369,807.20x = 26,728,355.84 × 11,926,287.20
  4. Step 4: Simplify right side
    19,369,807.20x = 318,770,048,131,637.25
  5. Step 5: Solve for x
    x = 318,770,048,131,637.25/19,369,807.20
  6. Step 6: Final answer
    x = 16,457,058.39

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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.