Finding the Fourth Proportional to 9,988,974.58, 14,983,469.16 and 2,415,947.62
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Solution
The fourth proportional to 9,988,974.58, 14,983,469.16 and 2,415,947.62 is: 3,623,923.19
Step by Step Solution
- Step 1: Write the proportion equation
9,988,974.58 : 14,983,469.16 = 2,415,947.62 : x - Step 2: Convert to fraction form
9,988,974.58/14,983,469.16 = 2,415,947.62/x - Step 3: Cross multiply
9,988,974.58x = 14,983,469.16 × 2,415,947.62 - Step 4: Simplify right side
9,988,974.58x = 36,199,276,656,445.40 - Step 5: Solve for x
x = 36,199,276,656,445.40/9,988,974.58 - Step 6: Final answer
x = 3,623,923.19
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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.