Finding the Fourth Proportional to 7,780,334.16, 11,672,013.84 and 2,987,671.08
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Solution
The fourth proportional to 7,780,334.16, 11,672,013.84 and 2,987,671.08 is: 4,482,087.46
Step by Step Solution
- Step 1: Write the proportion equation
7,780,334.16 : 11,672,013.84 = 2,987,671.08 : x - Step 2: Convert to fraction form
7,780,334.16/11,672,013.84 = 2,987,671.08/x - Step 3: Cross multiply
7,780,334.16x = 11,672,013.84 × 2,987,671.08 - Step 4: Simplify right side
7,780,334.16x = 34,872,138,195,127.75 - Step 5: Solve for x
x = 34,872,138,195,127.75/7,780,334.16 - Step 6: Final answer
x = 4,482,087.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.