Home / 10,021,982.46-13,826,720.79-5,671,022.46

Finding the Fourth Proportional to 10,021,982.46, 13,826,720.79 and 5,671,022.46

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Solution

The fourth proportional to 10,021,982.46, 13,826,720.79 and 5,671,022.46 is: 7,823,965.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021,982.46 : 13,826,720.79 = 5,671,022.46 : x
  2. Step 2: Convert to fraction form
    10,021,982.46/13,826,720.79 = 5,671,022.46/x
  3. Step 3: Cross multiply
    10,021,982.46x = 13,826,720.79 × 5,671,022.46
  4. Step 4: Simplify right side
    10,021,982.46x = 78,411,644,148,238.94
  5. Step 5: Solve for x
    x = 78,411,644,148,238.94/10,021,982.46
  6. Step 6: Final answer
    x = 7,823,965.41

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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.