Finding the Fourth Proportional to 12,654,374.40, 17,463,356.28 and 7,762,294.08
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Solution
The fourth proportional to 12,654,374.40, 17,463,356.28 and 7,762,294.08 is: 10,712,161.88
Step by Step Solution
- Step 1: Write the proportion equation
12,654,374.40 : 17,463,356.28 = 7,762,294.08 : x - Step 2: Convert to fraction form
12,654,374.40/17,463,356.28 = 7,762,294.08/x - Step 3: Cross multiply
12,654,374.40x = 17,463,356.28 × 7,762,294.08 - Step 4: Simplify right side
12,654,374.40x = 135,555,707,069,174.83 - Step 5: Solve for x
x = 135,555,707,069,174.83/12,654,374.40 - Step 6: Final answer
x = 10,712,161.88
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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.