Home / 5,116,123.68-7,675,072.09-2,085,138.51

Finding the Fourth Proportional to 5,116,123.68, 7,675,072.09 and 2,085,138.51

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Solution

The fourth proportional to 5,116,123.68, 7,675,072.09 and 2,085,138.51 is: 3,128,069.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116,123.68 : 7,675,072.09 = 2,085,138.51 : x
  2. Step 2: Convert to fraction form
    5,116,123.68/7,675,072.09 = 2,085,138.51/x
  3. Step 3: Cross multiply
    5,116,123.68x = 7,675,072.09 × 2,085,138.51
  4. Step 4: Simplify right side
    5,116,123.68x = 16,003,588,406,285.71
  5. Step 5: Solve for x
    x = 16,003,588,406,285.71/5,116,123.68
  6. Step 6: Final answer
    x = 3,128,069.10

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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.