Finding the Fourth Proportional to 14,229,925.59, 19,637,207.28 and 7,703,507.46
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Solution
The fourth proportional to 14,229,925.59, 19,637,207.28 and 7,703,507.46 is: 10,630,791.55
Step by Step Solution
- Step 1: Write the proportion equation
14,229,925.59 : 19,637,207.28 = 7,703,507.46 : x - Step 2: Convert to fraction form
14,229,925.59/19,637,207.28 = 7,703,507.46/x - Step 3: Cross multiply
14,229,925.59x = 19,637,207.28 × 7,703,507.46 - Step 4: Simplify right side
14,229,925.59x = 151,275,372,775,046.31 - Step 5: Solve for x
x = 151,275,372,775,046.31/14,229,925.59 - Step 6: Final answer
x = 10,630,791.55
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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.