Finding the Fourth Proportional to 14,265,987.18, 19,687,059.99 and 8,154,546.90
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Solution
The fourth proportional to 14,265,987.18, 19,687,059.99 and 8,154,546.90 is: 11,253,273.40
Step by Step Solution
- Step 1: Write the proportion equation
14,265,987.18 : 19,687,059.99 = 8,154,546.90 : x - Step 2: Convert to fraction form
14,265,987.18/19,687,059.99 = 8,154,546.90/x - Step 3: Cross multiply
14,265,987.18x = 19,687,059.99 × 8,154,546.90 - Step 4: Simplify right side
14,265,987.18x = 160,539,054,011,568.53 - Step 5: Solve for x
x = 160,539,054,011,568.53/14,265,987.18 - Step 6: Final answer
x = 11,253,273.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.