Finding the Fourth Proportional to 13,304,330.10, 19,956,495.15 and 7,619,879.70
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Solution
The fourth proportional to 13,304,330.10, 19,956,495.15 and 7,619,879.70 is: 11,429,819.55
Step by Step Solution
- Step 1: Write the proportion equation
13,304,330.10 : 19,956,495.15 = 7,619,879.70 : x - Step 2: Convert to fraction form
13,304,330.10/19,956,495.15 = 7,619,879.70/x - Step 3: Cross multiply
13,304,330.10x = 19,956,495.15 × 7,619,879.70 - Step 4: Simplify right side
13,304,330.10x = 152,066,092,276,633.44 - Step 5: Solve for x
x = 152,066,092,276,633.44/13,304,330.10 - Step 6: Final answer
x = 11,429,819.55
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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.