Finding the Fourth Proportional to 19,883,227.68, 27,442,220.04 and 11,509,384.50
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Solution
The fourth proportional to 19,883,227.68, 27,442,220.04 and 11,509,384.50 is: 15,884,898.92
Step by Step Solution
- Step 1: Write the proportion equation
19,883,227.68 : 27,442,220.04 = 11,509,384.50 : x - Step 2: Convert to fraction form
19,883,227.68/27,442,220.04 = 11,509,384.50/x - Step 3: Cross multiply
19,883,227.68x = 27,442,220.04 × 11,509,384.50 - Step 4: Simplify right side
19,883,227.68x = 315,843,061,973,965.38 - Step 5: Solve for x
x = 315,843,061,973,965.38/19,883,227.68 - Step 6: Final answer
x = 15,884,898.92
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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.