Home / 19,782,009.20-29,673,013.80-11,137,235.60

Finding the Fourth Proportional to 19,782,009.20, 29,673,013.80 and 11,137,235.60

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Solution

The fourth proportional to 19,782,009.20, 29,673,013.80 and 11,137,235.60 is: 16,705,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782,009.20 : 29,673,013.80 = 11,137,235.60 : x
  2. Step 2: Convert to fraction form
    19,782,009.20/29,673,013.80 = 11,137,235.60/x
  3. Step 3: Cross multiply
    19,782,009.20x = 29,673,013.80 × 11,137,235.60
  4. Step 4: Simplify right side
    19,782,009.20x = 330,475,345,652,651.25
  5. Step 5: Solve for x
    x = 330,475,345,652,651.25/19,782,009.20
  6. Step 6: Final answer
    x = 16,705,853.40

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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.