Home / 14,111,010.30-21,166,515.45-11,276,658.30

Finding the Fourth Proportional to 14,111,010.30, 21,166,515.45 and 11,276,658.30

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Solution

The fourth proportional to 14,111,010.30, 21,166,515.45 and 11,276,658.30 is: 16,914,987.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,111,010.30 : 21,166,515.45 = 11,276,658.30 : x
  2. Step 2: Convert to fraction form
    14,111,010.30/21,166,515.45 = 11,276,658.30/x
  3. Step 3: Cross multiply
    14,111,010.30x = 21,166,515.45 × 11,276,658.30
  4. Step 4: Simplify right side
    14,111,010.30x = 238,687,562,131,320.75
  5. Step 5: Solve for x
    x = 238,687,562,131,320.75/14,111,010.30
  6. Step 6: Final answer
    x = 16,914,987.45

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Double scale
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Similar ratio
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1.5x scale

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.