Finding the Fourth Proportional to 12,983,195.97, 19,476,565.74 and 5,408,390.25
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Solution
The fourth proportional to 12,983,195.97, 19,476,565.74 and 5,408,390.25 is: 8,113,323.44
Step by Step Solution
- Step 1: Write the proportion equation
12,983,195.97 : 19,476,565.74 = 5,408,390.25 : x - Step 2: Convert to fraction form
12,983,195.97/19,476,565.74 = 5,408,390.25/x - Step 3: Cross multiply
12,983,195.97x = 19,476,565.74 × 5,408,390.25 - Step 4: Simplify right side
12,983,195.97x = 105,336,868,251,700.03 - Step 5: Solve for x
x = 105,336,868,251,700.03/12,983,195.97 - Step 6: Final answer
x = 8,113,323.44
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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.