Finding the Fourth Proportional to 12,670,271.36, 19,005,406.68 and 5,844,825.12
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Solution
The fourth proportional to 12,670,271.36, 19,005,406.68 and 5,844,825.12 is: 8,767,237.51
Step by Step Solution
- Step 1: Write the proportion equation
12,670,271.36 : 19,005,406.68 = 5,844,825.12 : x - Step 2: Convert to fraction form
12,670,271.36/19,005,406.68 = 5,844,825.12/x - Step 3: Cross multiply
12,670,271.36x = 19,005,406.68 × 5,844,825.12 - Step 4: Simplify right side
12,670,271.36x = 111,083,278,379,079.80 - Step 5: Solve for x
x = 111,083,278,379,079.80/12,670,271.36 - Step 6: Final answer
x = 8,767,237.51
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1.5x scale
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.