Finding the Fourth Proportional to 14,365,387.10, 19,824,654.84 and 7,839,437.06
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Solution
The fourth proportional to 14,365,387.10, 19,824,654.84 and 7,839,437.06 is: 10,818,652.69
Step by Step Solution
- Step 1: Write the proportion equation
14,365,387.10 : 19,824,654.84 = 7,839,437.06 : x - Step 2: Convert to fraction form
14,365,387.10/19,824,654.84 = 7,839,437.06/x - Step 3: Cross multiply
14,365,387.10x = 19,824,654.84 × 7,839,437.06 - Step 4: Simplify right side
14,365,387.10x = 155,414,133,854,404.38 - Step 5: Solve for x
x = 155,414,133,854,404.38/14,365,387.10 - Step 6: Final answer
x = 10,818,652.69
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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.