Finding the Fourth Proportional to 12,805,464.07, 19,206,781.17 and 3,220,846.26
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Solution
The fourth proportional to 12,805,464.07, 19,206,781.17 and 3,220,846.26 is: 4,830,913.50
Step by Step Solution
- Step 1: Write the proportion equation
12,805,464.07 : 19,206,781.17 = 3,220,846.26 : x - Step 2: Convert to fraction form
12,805,464.07/19,206,781.17 = 3,220,846.26/x - Step 3: Cross multiply
12,805,464.07x = 19,206,781.17 × 3,220,846.26 - Step 4: Simplify right side
12,805,464.07x = 61,862,089,298,032.92 - Step 5: Solve for x
x = 61,862,089,298,032.92/12,805,464.07 - Step 6: Final answer
x = 4,830,913.50
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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.