Finding the Fourth Proportional to 28,763,451.07, 39,693,300.44 and 15,710,706.53
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Solution
The fourth proportional to 28,763,451.07, 39,693,300.44 and 15,710,706.53 is: 21,680,631.88
Step by Step Solution
- Step 1: Write the proportion equation
28,763,451.07 : 39,693,300.44 = 15,710,706.53 : x - Step 2: Convert to fraction form
28,763,451.07/39,693,300.44 = 15,710,706.53/x - Step 3: Cross multiply
28,763,451.07x = 39,693,300.44 × 15,710,706.53 - Step 4: Simplify right side
28,763,451.07x = 623,609,794,260,770.25 - Step 5: Solve for x
x = 623,609,794,260,770.25/28,763,451.07 - Step 6: Final answer
x = 21,680,631.88
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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.