Home / 12,705,346.82-19,047,305.28-5,511,461.42

Finding the Fourth Proportional to 12,705,346.82, 19,047,305.28 and 5,511,461.42

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Solution

The fourth proportional to 12,705,346.82, 19,047,305.28 and 5,511,461.42 is: 8,262,544.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705,346.82 : 19,047,305.28 = 5,511,461.42 : x
  2. Step 2: Convert to fraction form
    12,705,346.82/19,047,305.28 = 5,511,461.42/x
  3. Step 3: Cross multiply
    12,705,346.82x = 19,047,305.28 × 5,511,461.42
  4. Step 4: Simplify right side
    12,705,346.82x = 104,978,488,205,682.30
  5. Step 5: Solve for x
    x = 104,978,488,205,682.30/12,705,346.82
  6. Step 6: Final answer
    x = 8,262,544.08

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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.