Finding the Fourth Proportional to 21,580,352, 29,780,538.18 and 11,790,585.96
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Solution
The fourth proportional to 21,580,352, 29,780,538.18 and 11,790,585.96 is: 16,270,818.72
Step by Step Solution
- Step 1: Write the proportion equation
21,580,352 : 29,780,538.18 = 11,790,585.96 : x - Step 2: Convert to fraction form
21,580,352/29,780,538.18 = 11,790,585.96/x - Step 3: Cross multiply
21,580,352x = 29,780,538.18 × 11,790,585.96 - Step 4: Simplify right side
21,580,352x = 351,129,995,346,352 - Step 5: Solve for x
x = 351,129,995,346,352/21,580,352 - Step 6: Final answer
x = 16,270,818.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.