Finding the Fourth Proportional to 17,431,319.40, 26,174,972.70 and 13,176,292.20
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Solution
The fourth proportional to 17,431,319.40, 26,174,972.70 and 13,176,292.20 is: 19,785,598.59
Step by Step Solution
- Step 1: Write the proportion equation
17,431,319.40 : 26,174,972.70 = 13,176,292.20 : x - Step 2: Convert to fraction form
17,431,319.40/26,174,972.70 = 13,176,292.20/x - Step 3: Cross multiply
17,431,319.40x = 26,174,972.70 × 13,176,292.20 - Step 4: Simplify right side
17,431,319.40x = 344,889,088,622,222.94 - Step 5: Solve for x
x = 344,889,088,622,222.94/17,431,319.40 - Step 6: Final answer
x = 19,785,598.59
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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.