Finding the Fourth Proportional to 19,881,297.10, 27,436,353.42 and 11,179,393.57
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Solution
The fourth proportional to 19,881,297.10, 27,436,353.42 and 11,179,393.57 is: 15,427,655.02
Step by Step Solution
- Step 1: Write the proportion equation
19,881,297.10 : 27,436,353.42 = 11,179,393.57 : x - Step 2: Convert to fraction form
19,881,297.10/27,436,353.42 = 11,179,393.57/x - Step 3: Cross multiply
19,881,297.10x = 27,436,353.42 × 11,179,393.57 - Step 4: Simplify right side
19,881,297.10x = 306,721,793,007,795.56 - Step 5: Solve for x
x = 306,721,793,007,795.56/19,881,297.10 - Step 6: Final answer
x = 15,427,655.02
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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.