Finding the Fourth Proportional to 7,010,471.68, 10,514,655.70 and 2,217,538.16
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Solution
The fourth proportional to 7,010,471.68, 10,514,655.70 and 2,217,538.16 is: 3,325,974.53
Step by Step Solution
- Step 1: Write the proportion equation
7,010,471.68 : 10,514,655.70 = 2,217,538.16 : x - Step 2: Convert to fraction form
7,010,471.68/10,514,655.70 = 2,217,538.16/x - Step 3: Cross multiply
7,010,471.68x = 10,514,655.70 × 2,217,538.16 - Step 4: Simplify right side
7,010,471.68x = 23,316,650,254,011.51 - Step 5: Solve for x
x = 23,316,650,254,011.51/7,010,471.68 - Step 6: Final answer
x = 3,325,974.53
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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.