Finding the Fourth Proportional to 10,609,612.72, 15,882,698.68 and 6,497,987.62
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Solution
The fourth proportional to 10,609,612.72, 15,882,698.68 and 6,497,987.62 is: 9,727,553.88
Step by Step Solution
- Step 1: Write the proportion equation
10,609,612.72 : 15,882,698.68 = 6,497,987.62 : x - Step 2: Convert to fraction form
10,609,612.72/15,882,698.68 = 6,497,987.62/x - Step 3: Cross multiply
10,609,612.72x = 15,882,698.68 × 6,497,987.62 - Step 4: Simplify right side
10,609,612.72x = 103,205,579,394,830.34 - Step 5: Solve for x
x = 103,205,579,394,830.34/10,609,612.72 - Step 6: Final answer
x = 9,727,553.88
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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.