Finding the Fourth Proportional to 19,257,947.66, 26,560,471.44 and 16,929,862.42
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Solution
The fourth proportional to 19,257,947.66, 26,560,471.44 and 16,929,862.42 is: 23,349,587.15
Step by Step Solution
- Step 1: Write the proportion equation
19,257,947.66 : 26,560,471.44 = 16,929,862.42 : x - Step 2: Convert to fraction form
19,257,947.66/26,560,471.44 = 16,929,862.42/x - Step 3: Cross multiply
19,257,947.66x = 26,560,471.44 × 16,929,862.42 - Step 4: Simplify right side
19,257,947.66x = 449,665,127,289,539.38 - Step 5: Solve for x
x = 449,665,127,289,539.38/19,257,947.66 - Step 6: Final answer
x = 23,349,587.15
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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.