Home / 19,993,459.87-27,591,012.15-11,172,911.21

Finding the Fourth Proportional to 19,993,459.87, 27,591,012.15 and 11,172,911.21

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Solution

The fourth proportional to 19,993,459.87, 27,591,012.15 and 11,172,911.21 is: 15,418,638.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,993,459.87 : 27,591,012.15 = 11,172,911.21 : x
  2. Step 2: Convert to fraction form
    19,993,459.87/27,591,012.15 = 11,172,911.21/x
  3. Step 3: Cross multiply
    19,993,459.87x = 27,591,012.15 × 11,172,911.21
  4. Step 4: Simplify right side
    19,993,459.87x = 308,271,928,808,026.12
  5. Step 5: Solve for x
    x = 308,271,928,808,026.12/19,993,459.87
  6. Step 6: Final answer
    x = 15,418,638.44

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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.