Home / 11,137,071.80-16,705,607.70-5,165,103.80

Finding the Fourth Proportional to 11,137,071.80, 16,705,607.70 and 5,165,103.80

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Solution

The fourth proportional to 11,137,071.80, 16,705,607.70 and 5,165,103.80 is: 7,747,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137,071.80 : 16,705,607.70 = 5,165,103.80 : x
  2. Step 2: Convert to fraction form
    11,137,071.80/16,705,607.70 = 5,165,103.80/x
  3. Step 3: Cross multiply
    11,137,071.80x = 16,705,607.70 × 5,165,103.80
  4. Step 4: Simplify right side
    11,137,071.80x = 86,286,197,812,579.25
  5. Step 5: Solve for x
    x = 86,286,197,812,579.25/11,137,071.80
  6. Step 6: Final answer
    x = 7,747,655.70

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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.