Finding the Fourth Proportional to 10,605,837.55, 14,635,643.87 and 6,482,772.11
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Solution
The fourth proportional to 10,605,837.55, 14,635,643.87 and 6,482,772.11 is: 8,945,973.71
Step by Step Solution
- Step 1: Write the proportion equation
10,605,837.55 : 14,635,643.87 = 6,482,772.11 : x - Step 2: Convert to fraction form
10,605,837.55/14,635,643.87 = 6,482,772.11/x - Step 3: Cross multiply
10,605,837.55x = 14,635,643.87 × 6,482,772.11 - Step 4: Simplify right side
10,605,837.55x = 94,879,543,892,328.47 - Step 5: Solve for x
x = 94,879,543,892,328.47/10,605,837.55 - Step 6: Final answer
x = 8,945,973.71
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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.