Finding the Fourth Proportional to 18,386,317.80, 27,537,486.30 and 10,828,045.80
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Solution
The fourth proportional to 18,386,317.80, 27,537,486.30 and 10,828,045.80 is: 16,217,339.77
Step by Step Solution
- Step 1: Write the proportion equation
18,386,317.80 : 27,537,486.30 = 10,828,045.80 : x - Step 2: Convert to fraction form
18,386,317.80/27,537,486.30 = 10,828,045.80/x - Step 3: Cross multiply
18,386,317.80x = 27,537,486.30 × 10,828,045.80 - Step 4: Simplify right side
18,386,317.80x = 298,177,162,873,272.56 - Step 5: Solve for x
x = 298,177,162,873,272.56/18,386,317.80 - Step 6: Final answer
x = 16,217,339.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.