Finding the Fourth Proportional to 10,283,235.38, 14,190,661.92 and 5,637,030.42
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Solution
The fourth proportional to 10,283,235.38, 14,190,661.92 and 5,637,030.42 is: 7,778,990.76
Step by Step Solution
- Step 1: Write the proportion equation
10,283,235.38 : 14,190,661.92 = 5,637,030.42 : x - Step 2: Convert to fraction form
10,283,235.38/14,190,661.92 = 5,637,030.42/x - Step 3: Cross multiply
10,283,235.38x = 14,190,661.92 × 5,637,030.42 - Step 4: Simplify right side
10,283,235.38x = 79,993,192,997,329.45 - Step 5: Solve for x
x = 79,993,192,997,329.45/10,283,235.38 - Step 6: Final answer
x = 7,778,990.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.