Finding the Fourth Proportional to 19,388,280.96, 26,754,254.64 and 11,240,043.84
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Solution
The fourth proportional to 19,388,280.96, 26,754,254.64 and 11,240,043.84 is: 15,510,348.53
Step by Step Solution
- Step 1: Write the proportion equation
19,388,280.96 : 26,754,254.64 = 11,240,043.84 : x - Step 2: Convert to fraction form
19,388,280.96/26,754,254.64 = 11,240,043.84/x - Step 3: Cross multiply
19,388,280.96x = 26,754,254.64 × 11,240,043.84 - Step 4: Simplify right side
19,388,280.96x = 300,718,995,060,123.44 - Step 5: Solve for x
x = 300,718,995,060,123.44/19,388,280.96 - Step 6: Final answer
x = 15,510,348.53
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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.