Finding the Fourth Proportional to 19,960,040.30, 27,545,214.36 and 11,706,055.82
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Solution
The fourth proportional to 19,960,040.30, 27,545,214.36 and 11,706,055.82 is: 16,154,567.43
Step by Step Solution
- Step 1: Write the proportion equation
19,960,040.30 : 27,545,214.36 = 11,706,055.82 : x - Step 2: Convert to fraction form
19,960,040.30/27,545,214.36 = 11,706,055.82/x - Step 3: Cross multiply
19,960,040.30x = 27,545,214.36 × 11,706,055.82 - Step 4: Simplify right side
19,960,040.30x = 322,445,816,872,025.56 - Step 5: Solve for x
x = 322,445,816,872,025.56/19,960,040.30 - Step 6: Final answer
x = 16,154,567.43
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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.