Finding the Fourth Proportional to 11,238,878.20, 15,509,701.38 and 6,082,240.54
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Solution
The fourth proportional to 11,238,878.20, 15,509,701.38 and 6,082,240.54 is: 8,393,518.71
Step by Step Solution
- Step 1: Write the proportion equation
11,238,878.20 : 15,509,701.38 = 6,082,240.54 : x - Step 2: Convert to fraction form
11,238,878.20/15,509,701.38 = 6,082,240.54/x - Step 3: Cross multiply
11,238,878.20x = 15,509,701.38 × 6,082,240.54 - Step 4: Simplify right side
11,238,878.20x = 94,333,734,496,729.95 - Step 5: Solve for x
x = 94,333,734,496,729.95/11,238,878.20 - Step 6: Final answer
x = 8,393,518.71
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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.