Finding the Fourth Proportional to 7,436,517.18, 10,271,747.88 and 6,134,487.54
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Solution
The fourth proportional to 7,436,517.18, 10,271,747.88 and 6,134,487.54 is: 8,473,309.19
Step by Step Solution
- Step 1: Write the proportion equation
7,436,517.18 : 10,271,747.88 = 6,134,487.54 : x - Step 2: Convert to fraction form
7,436,517.18/10,271,747.88 = 6,134,487.54/x - Step 3: Cross multiply
7,436,517.18x = 10,271,747.88 × 6,134,487.54 - Step 4: Simplify right side
7,436,517.18x = 63,011,909,383,881.42 - Step 5: Solve for x
x = 63,011,909,383,881.42/7,436,517.18 - Step 6: Final answer
x = 8,473,309.19
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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.