Finding the Fourth Proportional to 21,528,985.02, 32,293,476.45 and 14,776,928.70
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Solution
The fourth proportional to 21,528,985.02, 32,293,476.45 and 14,776,928.70 is: 22,165,392.31
Step by Step Solution
- Step 1: Write the proportion equation
21,528,985.02 : 32,293,476.45 = 14,776,928.70 : x - Step 2: Convert to fraction form
21,528,985.02/32,293,476.45 = 14,776,928.70/x - Step 3: Cross multiply
21,528,985.02x = 32,293,476.45 × 14,776,928.70 - Step 4: Simplify right side
21,528,985.02x = 477,198,398,976,779.06 - Step 5: Solve for x
x = 477,198,398,976,779.06/21,528,985.02 - Step 6: Final answer
x = 22,165,392.31
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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.