Finding the Fourth Proportional to 12,413,572.11, 17,130,564.99 and 6,981,064.11
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Solution
The fourth proportional to 12,413,572.11, 17,130,564.99 and 6,981,064.11 is: 9,633,775.95
Step by Step Solution
- Step 1: Write the proportion equation
12,413,572.11 : 17,130,564.99 = 6,981,064.11 : x - Step 2: Convert to fraction form
12,413,572.11/17,130,564.99 = 6,981,064.11/x - Step 3: Cross multiply
12,413,572.11x = 17,130,564.99 × 6,981,064.11 - Step 4: Simplify right side
12,413,572.11x = 119,589,572,435,711.50 - Step 5: Solve for x
x = 119,589,572,435,711.50/12,413,572.11 - Step 6: Final answer
x = 9,633,775.95
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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.