Home / 13,020,295.40-19,475,147.10-11,682,132.20

Finding the Fourth Proportional to 13,020,295.40, 19,475,147.10 and 11,682,132.20

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Solution

The fourth proportional to 13,020,295.40, 19,475,147.10 and 11,682,132.20 is: 17,473,585.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020,295.40 : 19,475,147.10 = 11,682,132.20 : x
  2. Step 2: Convert to fraction form
    13,020,295.40/19,475,147.10 = 11,682,132.20/x
  3. Step 3: Cross multiply
    13,020,295.40x = 19,475,147.10 × 11,682,132.20
  4. Step 4: Simplify right side
    13,020,295.40x = 227,511,243,036,646.62
  5. Step 5: Solve for x
    x = 227,511,243,036,646.62/13,020,295.40
  6. Step 6: Final answer
    x = 17,473,585.36

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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.