Finding the Fourth Proportional to 10,107,781.44, 15,159,439.68 and 2,917,752.96
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Solution
The fourth proportional to 10,107,781.44, 15,159,439.68 and 2,917,752.96 is: 4,375,985.00
Step by Step Solution
- Step 1: Write the proportion equation
10,107,781.44 : 15,159,439.68 = 2,917,752.96 : x - Step 2: Convert to fraction form
10,107,781.44/15,159,439.68 = 2,917,752.96/x - Step 3: Cross multiply
10,107,781.44x = 15,159,439.68 × 2,917,752.96 - Step 4: Simplify right side
10,107,781.44x = 44,231,499,998,261.45 - Step 5: Solve for x
x = 44,231,499,998,261.45/10,107,781.44 - Step 6: Final answer
x = 4,375,985.00
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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.