Finding the Fourth Proportional to 19,557,343.53, 29,336,162.31 and 7,423,535.84
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Solution
The fourth proportional to 19,557,343.53, 29,336,162.31 and 7,423,535.84 is: 11,135,359.56
Step by Step Solution
- Step 1: Write the proportion equation
19,557,343.53 : 29,336,162.31 = 7,423,535.84 : x - Step 2: Convert to fraction form
19,557,343.53/29,336,162.31 = 7,423,535.84/x - Step 3: Cross multiply
19,557,343.53x = 29,336,162.31 × 7,423,535.84 - Step 4: Simplify right side
19,557,343.53x = 217,778,052,169,661.38 - Step 5: Solve for x
x = 217,778,052,169,661.38/19,557,343.53 - Step 6: Final answer
x = 11,135,359.56
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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.