Finding the Fourth Proportional to 14,268,442.77, 21,402,678.87 and 6,695,415.81
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Solution
The fourth proportional to 14,268,442.77, 21,402,678.87 and 6,695,415.81 is: 10,043,130.62
Step by Step Solution
- Step 1: Write the proportion equation
14,268,442.77 : 21,402,678.87 = 6,695,415.81 : x - Step 2: Convert to fraction form
14,268,442.77/21,402,678.87 = 6,695,415.81/x - Step 3: Cross multiply
14,268,442.77x = 21,402,678.87 × 6,695,415.81 - Step 4: Simplify right side
14,268,442.77x = 143,299,834,482,550.94 - Step 5: Solve for x
x = 143,299,834,482,550.94/14,268,442.77 - Step 6: Final answer
x = 10,043,130.62
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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.