Finding the Fourth Proportional to 19,925,772.47, 27,497,615.88 and 11,554,764.81
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Solution
The fourth proportional to 19,925,772.47, 27,497,615.88 and 11,554,764.81 is: 15,945,604.36
Step by Step Solution
- Step 1: Write the proportion equation
19,925,772.47 : 27,497,615.88 = 11,554,764.81 : x - Step 2: Convert to fraction form
19,925,772.47/27,497,615.88 = 11,554,764.81/x - Step 3: Cross multiply
19,925,772.47x = 27,497,615.88 × 11,554,764.81 - Step 4: Simplify right side
19,925,772.47x = 317,728,484,329,121.19 - Step 5: Solve for x
x = 317,728,484,329,121.19/19,925,772.47 - Step 6: Final answer
x = 15,945,604.36
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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.