Finding the Fourth Proportional to 19,053,585.36, 26,293,836.24 and 11,217,651.84
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Solution
The fourth proportional to 19,053,585.36, 26,293,836.24 and 11,217,651.84 is: 15,480,293.86
Step by Step Solution
- Step 1: Write the proportion equation
19,053,585.36 : 26,293,836.24 = 11,217,651.84 : x - Step 2: Convert to fraction form
19,053,585.36/26,293,836.24 = 11,217,651.84/x - Step 3: Cross multiply
19,053,585.36x = 26,293,836.24 × 11,217,651.84 - Step 4: Simplify right side
19,053,585.36x = 294,955,100,478,294.69 - Step 5: Solve for x
x = 294,955,100,478,294.69/19,053,585.36 - Step 6: Final answer
x = 15,480,293.86
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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.