Finding the Fourth Proportional to 17,670,896.40, 26,506,381.04 and 4,891,438.92
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Solution
The fourth proportional to 17,670,896.40, 26,506,381.04 and 4,891,438.92 is: 7,337,168.47
Step by Step Solution
- Step 1: Write the proportion equation
17,670,896.40 : 26,506,381.04 = 4,891,438.92 : x - Step 2: Convert to fraction form
17,670,896.40/26,506,381.04 = 4,891,438.92/x - Step 3: Cross multiply
17,670,896.40x = 26,506,381.04 × 4,891,438.92 - Step 4: Simplify right side
17,670,896.40x = 129,654,343,847,406.08 - Step 5: Solve for x
x = 129,654,343,847,406.08/17,670,896.40 - Step 6: Final answer
x = 7,337,168.47
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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.