Finding the Fourth Proportional to 28,876,757.13, 43,312,970.57 and 8,406,633.96
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Solution
The fourth proportional to 28,876,757.13, 43,312,970.57 and 8,406,633.96 is: 12,609,320.62
Step by Step Solution
- Step 1: Write the proportion equation
28,876,757.13 : 43,312,970.57 = 8,406,633.96 : x - Step 2: Convert to fraction form
28,876,757.13/43,312,970.57 = 8,406,633.96/x - Step 3: Cross multiply
28,876,757.13x = 43,312,970.57 × 8,406,633.96 - Step 4: Simplify right side
28,876,757.13x = 364,116,289,260,209.38 - Step 5: Solve for x
x = 364,116,289,260,209.38/28,876,757.13 - Step 6: Final answer
x = 12,609,320.62
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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.