Finding the Fourth Proportional to 11,859,509.64, 16,366,137.30 and 6,427,001.64
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Solution
The fourth proportional to 11,859,509.64, 16,366,137.30 and 6,427,001.64 is: 8,869,269.85
Step by Step Solution
- Step 1: Write the proportion equation
11,859,509.64 : 16,366,137.30 = 6,427,001.64 : x - Step 2: Convert to fraction form
11,859,509.64/16,366,137.30 = 6,427,001.64/x - Step 3: Cross multiply
11,859,509.64x = 16,366,137.30 × 6,427,001.64 - Step 4: Simplify right side
11,859,509.64x = 105,185,191,267,565.17 - Step 5: Solve for x
x = 105,185,191,267,565.17/11,859,509.64 - Step 6: Final answer
x = 8,869,269.85
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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.