Home / 19,419,347.10-29,129,020.65-9,864,198.30

Finding the Fourth Proportional to 19,419,347.10, 29,129,020.65 and 9,864,198.30

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Solution

The fourth proportional to 19,419,347.10, 29,129,020.65 and 9,864,198.30 is: 14,796,297.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419,347.10 : 29,129,020.65 = 9,864,198.30 : x
  2. Step 2: Convert to fraction form
    19,419,347.10/29,129,020.65 = 9,864,198.30/x
  3. Step 3: Cross multiply
    19,419,347.10x = 29,129,020.65 × 9,864,198.30
  4. Step 4: Simplify right side
    19,419,347.10x = 287,334,435,976,394.88
  5. Step 5: Solve for x
    x = 287,334,435,976,394.88/19,419,347.10
  6. Step 6: Final answer
    x = 14,796,297.45

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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.