Finding the Fourth Proportional to 19,368,135.12, 29,056,243.81 and 10,267,761.57
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Solution
The fourth proportional to 19,368,135.12, 29,056,243.81 and 10,267,761.57 is: 15,403,784.71
Step by Step Solution
- Step 1: Write the proportion equation
19,368,135.12 : 29,056,243.81 = 10,267,761.57 : x - Step 2: Convert to fraction form
19,368,135.12/29,056,243.81 = 10,267,761.57/x - Step 3: Cross multiply
19,368,135.12x = 29,056,243.81 × 10,267,761.57 - Step 4: Simplify right side
19,368,135.12x = 298,342,583,560,868.38 - Step 5: Solve for x
x = 298,342,583,560,868.38/19,368,135.12 - Step 6: Final answer
x = 15,403,784.71
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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.