Home / 12,768,052.60-19,152,078.90-11,592,321.40

Finding the Fourth Proportional to 12,768,052.60, 19,152,078.90 and 11,592,321.40

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Solution

The fourth proportional to 12,768,052.60, 19,152,078.90 and 11,592,321.40 is: 17,388,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,052.60 : 19,152,078.90 = 11,592,321.40 : x
  2. Step 2: Convert to fraction form
    12,768,052.60/19,152,078.90 = 11,592,321.40/x
  3. Step 3: Cross multiply
    12,768,052.60x = 19,152,078.90 × 11,592,321.40
  4. Step 4: Simplify right side
    12,768,052.60x = 222,017,054,086,958.44
  5. Step 5: Solve for x
    x = 222,017,054,086,958.44/12,768,052.60
  6. Step 6: Final answer
    x = 17,388,482.10

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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.