Home / 13,626,784.80-20,422,810.80-7,240,096.80

Finding the Fourth Proportional to 13,626,784.80, 20,422,810.80 and 7,240,096.80

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Solution

The fourth proportional to 13,626,784.80, 20,422,810.80 and 7,240,096.80 is: 10,850,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626,784.80 : 20,422,810.80 = 7,240,096.80 : x
  2. Step 2: Convert to fraction form
    13,626,784.80/20,422,810.80 = 7,240,096.80/x
  3. Step 3: Cross multiply
    13,626,784.80x = 20,422,810.80 × 7,240,096.80
  4. Step 4: Simplify right side
    13,626,784.80x = 147,863,127,120,085.44
  5. Step 5: Solve for x
    x = 147,863,127,120,085.44/13,626,784.80
  6. Step 6: Final answer
    x = 10,850,918.19

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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.