Home / 13,184,830.30-19,782,928.85-7,118,357.44

Finding the Fourth Proportional to 13,184,830.30, 19,782,928.85 and 7,118,357.44

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Solution

The fourth proportional to 13,184,830.30, 19,782,928.85 and 7,118,357.44 is: 10,680,604.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184,830.30 : 19,782,928.85 = 7,118,357.44 : x
  2. Step 2: Convert to fraction form
    13,184,830.30/19,782,928.85 = 7,118,357.44/x
  3. Step 3: Cross multiply
    13,184,830.30x = 19,782,928.85 × 7,118,357.44
  4. Step 4: Simplify right side
    13,184,830.30x = 140,821,958,679,339.03
  5. Step 5: Solve for x
    x = 140,821,958,679,339.03/13,184,830.30
  6. Step 6: Final answer
    x = 10,680,604.57

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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.