Finding the Fourth Proportional to 21,315,252.06, 29,413,269.63 and 12,022,309.98
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Solution
The fourth proportional to 21,315,252.06, 29,413,269.63 and 12,022,309.98 is: 16,589,784.82
Step by Step Solution
- Step 1: Write the proportion equation
21,315,252.06 : 29,413,269.63 = 12,022,309.98 : x - Step 2: Convert to fraction form
21,315,252.06/29,413,269.63 = 12,022,309.98/x - Step 3: Cross multiply
21,315,252.06x = 29,413,269.63 × 12,022,309.98 - Step 4: Simplify right side
21,315,252.06x = 353,615,445,017,179.94 - Step 5: Solve for x
x = 353,615,445,017,179.94/21,315,252.06 - Step 6: Final answer
x = 16,589,784.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.