Finding the Fourth Proportional to 13,921,411.11, 19,211,258.35 and 7,726,098.01
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Solution
The fourth proportional to 13,921,411.11, 19,211,258.35 and 7,726,098.01 is: 10,661,854.88
Step by Step Solution
- Step 1: Write the proportion equation
13,921,411.11 : 19,211,258.35 = 7,726,098.01 : x - Step 2: Convert to fraction form
13,921,411.11/19,211,258.35 = 7,726,098.01/x - Step 3: Cross multiply
13,921,411.11x = 19,211,258.35 × 7,726,098.01 - Step 4: Simplify right side
13,921,411.11x = 148,428,064,959,064.97 - Step 5: Solve for x
x = 148,428,064,959,064.97/13,921,411.11 - Step 6: Final answer
x = 10,661,854.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.