Finding the Fourth Proportional to 10,419,673.79, 15,628,091.84 and 2,742,675.73
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Solution
The fourth proportional to 10,419,673.79, 15,628,091.84 and 2,742,675.73 is: 4,113,640.12
Step by Step Solution
- Step 1: Write the proportion equation
10,419,673.79 : 15,628,091.84 = 2,742,675.73 : x - Step 2: Convert to fraction form
10,419,673.79/15,628,091.84 = 2,742,675.73/x - Step 3: Cross multiply
10,419,673.79x = 15,628,091.84 × 2,742,675.73 - Step 4: Simplify right side
10,419,673.79x = 42,862,788,103,925.21 - Step 5: Solve for x
x = 42,862,788,103,925.21/10,419,673.79 - Step 6: Final answer
x = 4,113,640.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.