Finding the Fourth Proportional to 6,990,417.95, 10,472,193.28 and 4,286,859.49
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Solution
The fourth proportional to 6,990,417.95, 10,472,193.28 and 4,286,859.49 is: 6,422,051.07
Step by Step Solution
- Step 1: Write the proportion equation
6,990,417.95 : 10,472,193.28 = 4,286,859.49 : x - Step 2: Convert to fraction form
6,990,417.95/10,472,193.28 = 4,286,859.49/x - Step 3: Cross multiply
6,990,417.95x = 10,472,193.28 × 4,286,859.49 - Step 4: Simplify right side
6,990,417.95x = 44,892,821,069,686.97 - Step 5: Solve for x
x = 44,892,821,069,686.97/6,990,417.95 - Step 6: Final answer
x = 6,422,051.07
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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.