Finding the Fourth Proportional to 7,553,771.24, 10,423,878.42 and 4,290,575.90
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Solution
The fourth proportional to 7,553,771.24, 10,423,878.42 and 4,290,575.90 is: 5,920,809.63
Step by Step Solution
- Step 1: Write the proportion equation
7,553,771.24 : 10,423,878.42 = 4,290,575.90 : x - Step 2: Convert to fraction form
7,553,771.24/10,423,878.42 = 4,290,575.90/x - Step 3: Cross multiply
7,553,771.24x = 10,423,878.42 × 4,290,575.90 - Step 4: Simplify right side
7,553,771.24x = 44,724,441,533,382.08 - Step 5: Solve for x
x = 44,724,441,533,382.08/7,553,771.24 - Step 6: Final answer
x = 5,920,809.63
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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.