Finding the Fourth Proportional to 14,239,872.61, 19,651,118.56 and 7,713,502.07
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Solution
The fourth proportional to 14,239,872.61, 19,651,118.56 and 7,713,502.07 is: 10,644,683.96
Step by Step Solution
- Step 1: Write the proportion equation
14,239,872.61 : 19,651,118.56 = 7,713,502.07 : x - Step 2: Convert to fraction form
14,239,872.61/19,651,118.56 = 7,713,502.07/x - Step 3: Cross multiply
14,239,872.61x = 19,651,118.56 × 7,713,502.07 - Step 4: Simplify right side
14,239,872.61x = 151,578,943,572,836.09 - Step 5: Solve for x
x = 151,578,943,572,836.09/14,239,872.61 - Step 6: Final answer
x = 10,644,683.96
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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.