Finding the Fourth Proportional to 14,320,712.08, 19,762,743.72 and 7,794,382.96
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Solution
The fourth proportional to 14,320,712.08, 19,762,743.72 and 7,794,382.96 is: 10,756,336.14
Step by Step Solution
- Step 1: Write the proportion equation
14,320,712.08 : 19,762,743.72 = 7,794,382.96 : x - Step 2: Convert to fraction form
14,320,712.08/19,762,743.72 = 7,794,382.96/x - Step 3: Cross multiply
14,320,712.08x = 19,762,743.72 × 7,794,382.96 - Step 4: Simplify right side
14,320,712.08x = 154,038,392,894,015 - Step 5: Solve for x
x = 154,038,392,894,015/14,320,712.08 - Step 6: Final answer
x = 10,756,336.14
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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.