Home / 16,819,782.72-23,221,383.02-11,028,666.84

Finding the Fourth Proportional to 16,819,782.72, 23,221,383.02 and 11,028,666.84

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Solution

The fourth proportional to 16,819,782.72, 23,221,383.02 and 11,028,666.84 is: 15,226,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819,782.72 : 23,221,383.02 = 11,028,666.84 : x
  2. Step 2: Convert to fraction form
    16,819,782.72/23,221,383.02 = 11,028,666.84/x
  3. Step 3: Cross multiply
    16,819,782.72x = 23,221,383.02 × 11,028,666.84
  4. Step 4: Simplify right side
    16,819,782.72x = 256,100,896,891,613.06
  5. Step 5: Solve for x
    x = 256,100,896,891,613.06/16,819,782.72
  6. Step 6: Final answer
    x = 15,226,171.54

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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.