Finding the Fourth Proportional to 7,754,121.30, 10,701,890.64 and 4,658,368.08
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Solution
The fourth proportional to 7,754,121.30, 10,701,890.64 and 4,658,368.08 is: 6,429,270.81
Step by Step Solution
- Step 1: Write the proportion equation
7,754,121.30 : 10,701,890.64 = 4,658,368.08 : x - Step 2: Convert to fraction form
7,754,121.30/10,701,890.64 = 4,658,368.08/x - Step 3: Cross multiply
7,754,121.30x = 10,701,890.64 × 4,658,368.08 - Step 4: Simplify right side
7,754,121.30x = 49,853,345,753,026.77 - Step 5: Solve for x
x = 49,853,345,753,026.77/7,754,121.30 - Step 6: Final answer
x = 6,429,270.81
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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.