Finding the Fourth Proportional to 19,439,045.65, 26,825,816.58 and 11,178,717.94
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Solution
The fourth proportional to 19,439,045.65, 26,825,816.58 and 11,178,717.94 is: 15,426,592.56
Step by Step Solution
- Step 1: Write the proportion equation
19,439,045.65 : 26,825,816.58 = 11,178,717.94 : x - Step 2: Convert to fraction form
19,439,045.65/26,825,816.58 = 11,178,717.94/x - Step 3: Cross multiply
19,439,045.65x = 26,825,816.58 × 11,178,717.94 - Step 4: Simplify right side
19,439,045.65x = 299,878,237,057,995.44 - Step 5: Solve for x
x = 299,878,237,057,995.44/19,439,045.65 - Step 6: Final answer
x = 15,426,592.56
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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.