Finding the Fourth Proportional to 11,612,726.19, 16,025,624.40 and 6,386,071.32
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Solution
The fourth proportional to 11,612,726.19, 16,025,624.40 and 6,386,071.32 is: 8,812,812.66
Step by Step Solution
- Step 1: Write the proportion equation
11,612,726.19 : 16,025,624.40 = 6,386,071.32 : x - Step 2: Convert to fraction form
11,612,726.19/16,025,624.40 = 6,386,071.32/x - Step 3: Cross multiply
11,612,726.19x = 16,025,624.40 × 6,386,071.32 - Step 4: Simplify right side
11,612,726.19x = 102,340,780,365,932.22 - Step 5: Solve for x
x = 102,340,780,365,932.22/11,612,726.19 - Step 6: Final answer
x = 8,812,812.66
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1.5x scale
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.