Finding the Fourth Proportional to 7,239,131.33, 9,987,570.63 and 4,098,966.63
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Solution
The fourth proportional to 7,239,131.33, 9,987,570.63 and 4,098,966.63 is: 5,655,197.68
Step by Step Solution
- Step 1: Write the proportion equation
7,239,131.33 : 9,987,570.63 = 4,098,966.63 : x - Step 2: Convert to fraction form
7,239,131.33/9,987,570.63 = 4,098,966.63/x - Step 3: Cross multiply
7,239,131.33x = 9,987,570.63 × 4,098,966.63 - Step 4: Simplify right side
7,239,131.33x = 40,938,718,689,684.70 - Step 5: Solve for x
x = 40,938,718,689,684.70/7,239,131.33 - Step 6: Final answer
x = 5,655,197.68
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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.