Home / 13,789,644.22-19,028,300.77-8,490,497.66

Finding the Fourth Proportional to 13,789,644.22, 19,028,300.77 and 8,490,497.66

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Solution

The fourth proportional to 13,789,644.22, 19,028,300.77 and 8,490,497.66 is: 11,716,019.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789,644.22 : 19,028,300.77 = 8,490,497.66 : x
  2. Step 2: Convert to fraction form
    13,789,644.22/19,028,300.77 = 8,490,497.66/x
  3. Step 3: Cross multiply
    13,789,644.22x = 19,028,300.77 × 8,490,497.66
  4. Step 4: Simplify right side
    13,789,644.22x = 161,559,743,148,288.91
  5. Step 5: Solve for x
    x = 161,559,743,148,288.91/13,789,644.22
  6. Step 6: Final answer
    x = 11,716,019.69

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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.