Finding the Fourth Proportional to 19,368,129.61, 29,056,235.56 and 10,267,756.05
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Solution
The fourth proportional to 19,368,129.61, 29,056,235.56 and 10,267,756.05 is: 15,403,776.44
Step by Step Solution
- Step 1: Write the proportion equation
19,368,129.61 : 29,056,235.56 = 10,267,756.05 : x - Step 2: Convert to fraction form
19,368,129.61/29,056,235.56 = 10,267,756.05/x - Step 3: Cross multiply
19,368,129.61x = 29,056,235.56 × 10,267,756.05 - Step 4: Simplify right side
19,368,129.61x = 298,342,338,544,706.69 - Step 5: Solve for x
x = 298,342,338,544,706.69/19,368,129.61 - Step 6: Final answer
x = 15,403,776.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.