Finding the Fourth Proportional to 7,255,720.52, 10,012,965.36 and 3,992,605.48
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Solution
The fourth proportional to 7,255,720.52, 10,012,965.36 and 3,992,605.48 is: 5,509,834.65
Step by Step Solution
- Step 1: Write the proportion equation
7,255,720.52 : 10,012,965.36 = 3,992,605.48 : x - Step 2: Convert to fraction form
7,255,720.52/10,012,965.36 = 3,992,605.48/x - Step 3: Cross multiply
7,255,720.52x = 10,012,965.36 × 3,992,605.48 - Step 4: Simplify right side
7,255,720.52x = 39,977,820,367,386.17 - Step 5: Solve for x
x = 39,977,820,367,386.17/7,255,720.52 - Step 6: Final answer
x = 5,509,834.65
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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.