Finding the Fourth Proportional to 15,583,303.11, 21,504,545.78 and 8,707,841.67
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Solution
The fourth proportional to 15,583,303.11, 21,504,545.78 and 8,707,841.67 is: 12,016,590.99
Step by Step Solution
- Step 1: Write the proportion equation
15,583,303.11 : 21,504,545.78 = 8,707,841.67 : x - Step 2: Convert to fraction form
15,583,303.11/21,504,545.78 = 8,707,841.67/x - Step 3: Cross multiply
15,583,303.11x = 21,504,545.78 × 8,707,841.67 - Step 4: Simplify right side
15,583,303.11x = 187,258,179,793,967.44 - Step 5: Solve for x
x = 187,258,179,793,967.44/15,583,303.11 - Step 6: Final answer
x = 12,016,590.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.