Finding the Fourth Proportional to 38,908,146.44, 58,368,562.08 and 11,981,802.44
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Solution
The fourth proportional to 38,908,146.44, 58,368,562.08 and 11,981,802.44 is: 17,974,656.81
Step by Step Solution
- Step 1: Write the proportion equation
38,908,146.44 : 58,368,562.08 = 11,981,802.44 : x - Step 2: Convert to fraction form
38,908,146.44/58,368,562.08 = 11,981,802.44/x - Step 3: Cross multiply
38,908,146.44x = 58,368,562.08 × 11,981,802.44 - Step 4: Simplify right side
38,908,146.44x = 699,360,579,549,435.38 - Step 5: Solve for x
x = 699,360,579,549,435.38/38,908,146.44 - Step 6: Final answer
x = 17,974,656.81
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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.