Finding the Fourth Proportional to 10,369,097.80, 15,526,430.70 and 7,319,998.60
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Solution
The fourth proportional to 10,369,097.80, 15,526,430.70 and 7,319,998.60 is: 10,960,784.94
Step by Step Solution
- Step 1: Write the proportion equation
10,369,097.80 : 15,526,430.70 = 7,319,998.60 : x - Step 2: Convert to fraction form
10,369,097.80/15,526,430.70 = 7,319,998.60/x - Step 3: Cross multiply
10,369,097.80x = 15,526,430.70 × 7,319,998.60 - Step 4: Simplify right side
10,369,097.80x = 113,653,450,986,997.02 - Step 5: Solve for x
x = 113,653,450,986,997.02/10,369,097.80 - Step 6: Final answer
x = 10,960,784.94
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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.