Home / 19,640,315.10-27,102,579.84-10,819,477.20

Finding the Fourth Proportional to 19,640,315.10, 27,102,579.84 and 10,819,477.20

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Solution

The fourth proportional to 19,640,315.10, 27,102,579.84 and 10,819,477.20 is: 14,930,297.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640,315.10 : 27,102,579.84 = 10,819,477.20 : x
  2. Step 2: Convert to fraction form
    19,640,315.10/27,102,579.84 = 10,819,477.20/x
  3. Step 3: Cross multiply
    19,640,315.10x = 27,102,579.84 × 10,819,477.20
  4. Step 4: Simplify right side
    19,640,315.10x = 293,235,744,640,059.62
  5. Step 5: Solve for x
    x = 293,235,744,640,059.62/19,640,315.10
  6. Step 6: Final answer
    x = 14,930,297.36

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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.