Finding the Fourth Proportional to 7,529,409.12, 10,390,576.68 and 4,091,642.76
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Solution
The fourth proportional to 7,529,409.12, 10,390,576.68 and 4,091,642.76 is: 5,646,462.71
Step by Step Solution
- Step 1: Write the proportion equation
7,529,409.12 : 10,390,576.68 = 4,091,642.76 : x - Step 2: Convert to fraction form
7,529,409.12/10,390,576.68 = 4,091,642.76/x - Step 3: Cross multiply
7,529,409.12x = 10,390,576.68 × 4,091,642.76 - Step 4: Simplify right side
7,529,409.12x = 42,514,527,844,946.84 - Step 5: Solve for x
x = 42,514,527,844,946.84/7,529,409.12 - Step 6: Final answer
x = 5,646,462.71
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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.