Home / 27,784,137.83-38,320,519.47-18,970,678.19

Finding the Fourth Proportional to 27,784,137.83, 38,320,519.47 and 18,970,678.19

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Solution

The fourth proportional to 27,784,137.83, 38,320,519.47 and 18,970,678.19 is: 26,164,794.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,784,137.83 : 38,320,519.47 = 18,970,678.19 : x
  2. Step 2: Convert to fraction form
    27,784,137.83/38,320,519.47 = 18,970,678.19/x
  3. Step 3: Cross multiply
    27,784,137.83x = 38,320,519.47 × 18,970,678.19
  4. Step 4: Simplify right side
    27,784,137.83x = 726,966,242,747,396.75
  5. Step 5: Solve for x
    x = 726,966,242,747,396.75/27,784,137.83
  6. Step 6: Final answer
    x = 26,164,794.00

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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.