Home / 19,412,582.40-29,122,372.80-8,054,179.20

Finding the Fourth Proportional to 19,412,582.40, 29,122,372.80 and 8,054,179.20

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Solution

The fourth proportional to 19,412,582.40, 29,122,372.80 and 8,054,179.20 is: 12,082,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412,582.40 : 29,122,372.80 = 8,054,179.20 : x
  2. Step 2: Convert to fraction form
    19,412,582.40/29,122,372.80 = 8,054,179.20/x
  3. Step 3: Cross multiply
    19,412,582.40x = 29,122,372.80 × 8,054,179.20
  4. Step 4: Simplify right side
    19,412,582.40x = 234,556,809,260,405.78
  5. Step 5: Solve for x
    x = 234,556,809,260,405.78/19,412,582.40
  6. Step 6: Final answer
    x = 12,082,720.60

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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.