Finding the Fourth Proportional to 43,889,689.67, 65,787,015.92 and 28,547,942.99
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Solution
The fourth proportional to 43,889,689.67, 65,787,015.92 and 28,547,942.99 is: 42,791,006.13
Step by Step Solution
- Step 1: Write the proportion equation
43,889,689.67 : 65,787,015.92 = 28,547,942.99 : x - Step 2: Convert to fraction form
43,889,689.67/65,787,015.92 = 28,547,942.99/x - Step 3: Cross multiply
43,889,689.67x = 65,787,015.92 × 28,547,942.99 - Step 4: Simplify right side
43,889,689.67x = 1,878,083,979,494,707.50 - Step 5: Solve for x
x = 1,878,083,979,494,707.50/43,889,689.67 - Step 6: Final answer
x = 42,791,006.13
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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.