Finding the Fourth Proportional to 7,403,569.11, 10,217,445.98 and 4,140,687.42
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Solution
The fourth proportional to 7,403,569.11, 10,217,445.98 and 4,140,687.42 is: 5,714,439.80
Step by Step Solution
- Step 1: Write the proportion equation
7,403,569.11 : 10,217,445.98 = 4,140,687.42 : x - Step 2: Convert to fraction form
7,403,569.11/10,217,445.98 = 4,140,687.42/x - Step 3: Cross multiply
7,403,569.11x = 10,217,445.98 × 4,140,687.42 - Step 4: Simplify right side
7,403,569.11x = 42,307,250,013,212.13 - Step 5: Solve for x
x = 42,307,250,013,212.13/7,403,569.11 - Step 6: Final answer
x = 5,714,439.80
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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.