Finding the Fourth Proportional to 10,205,603.06, 15,310,288.11 and 4,222,437.62
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Solution
The fourth proportional to 10,205,603.06, 15,310,288.11 and 4,222,437.62 is: 6,334,435.71
Step by Step Solution
- Step 1: Write the proportion equation
10,205,603.06 : 15,310,288.11 = 4,222,437.62 : x - Step 2: Convert to fraction form
10,205,603.06/15,310,288.11 = 4,222,437.62/x - Step 3: Cross multiply
10,205,603.06x = 15,310,288.11 × 4,222,437.62 - Step 4: Simplify right side
10,205,603.06x = 64,646,736,488,702.70 - Step 5: Solve for x
x = 64,646,736,488,702.70/10,205,603.06 - Step 6: Final answer
x = 6,334,435.71
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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.