Home / 19,191,993.90-28,773,994.05-7,826,592.30

Finding the Fourth Proportional to 19,191,993.90, 28,773,994.05 and 7,826,592.30

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Solution

The fourth proportional to 19,191,993.90, 28,773,994.05 and 7,826,592.30 is: 11,734,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191,993.90 : 28,773,994.05 = 7,826,592.30 : x
  2. Step 2: Convert to fraction form
    19,191,993.90/28,773,994.05 = 7,826,592.30/x
  3. Step 3: Cross multiply
    19,191,993.90x = 28,773,994.05 × 7,826,592.30
  4. Step 4: Simplify right side
    19,191,993.90x = 225,202,320,271,975.81
  5. Step 5: Solve for x
    x = 225,202,320,271,975.81/19,191,993.90
  6. Step 6: Final answer
    x = 11,734,180.48

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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.