Finding the Fourth Proportional to 19,388,282.96, 26,754,257.40 and 11,240,045.84
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Solution
The fourth proportional to 19,388,282.96, 26,754,257.40 and 11,240,045.84 is: 15,510,351.29
Step by Step Solution
- Step 1: Write the proportion equation
19,388,282.96 : 26,754,257.40 = 11,240,045.84 : x - Step 2: Convert to fraction form
19,388,282.96/26,754,257.40 = 11,240,045.84/x - Step 3: Cross multiply
19,388,282.96x = 26,754,257.40 × 11,240,045.84 - Step 4: Simplify right side
19,388,282.96x = 300,719,079,591,159.19 - Step 5: Solve for x
x = 300,719,079,591,159.19/19,388,282.96 - Step 6: Final answer
x = 15,510,351.29
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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.