Home / 19,979,337.28-27,571,554.75-10,811,977.60

Finding the Fourth Proportional to 19,979,337.28, 27,571,554.75 and 10,811,977.60

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Solution

The fourth proportional to 19,979,337.28, 27,571,554.75 and 10,811,977.60 is: 14,920,566.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979,337.28 : 27,571,554.75 = 10,811,977.60 : x
  2. Step 2: Convert to fraction form
    19,979,337.28/27,571,554.75 = 10,811,977.60/x
  3. Step 3: Cross multiply
    19,979,337.28x = 27,571,554.75 × 10,811,977.60
  4. Step 4: Simplify right side
    19,979,337.28x = 298,103,032,354,173.56
  5. Step 5: Solve for x
    x = 298,103,032,354,173.56/19,979,337.28
  6. Step 6: Final answer
    x = 14,920,566.59

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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.