Finding the Fourth Proportional to 7,951,320.27, 11,925,560.70 and 2,115,539.51
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Solution
The fourth proportional to 7,951,320.27, 11,925,560.70 and 2,115,539.51 is: 3,172,931.53
Step by Step Solution
- Step 1: Write the proportion equation
7,951,320.27 : 11,925,560.70 = 2,115,539.51 : x - Step 2: Convert to fraction form
7,951,320.27/11,925,560.70 = 2,115,539.51/x - Step 3: Cross multiply
7,951,320.27x = 11,925,560.70 × 2,115,539.51 - Step 4: Simplify right side
7,951,320.27x = 25,228,994,780,125.45 - Step 5: Solve for x
x = 25,228,994,780,125.45/7,951,320.27 - Step 6: Final answer
x = 3,172,931.53
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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.