Finding the Fourth Proportional to 11,423,693.12, 15,763,692.48 and 6,527,943.68
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Solution
The fourth proportional to 11,423,693.12, 15,763,692.48 and 6,527,943.68 is: 9,007,988.54
Step by Step Solution
- Step 1: Write the proportion equation
11,423,693.12 : 15,763,692.48 = 6,527,943.68 : x - Step 2: Convert to fraction form
11,423,693.12/15,763,692.48 = 6,527,943.68/x - Step 3: Cross multiply
11,423,693.12x = 15,763,692.48 × 6,527,943.68 - Step 4: Simplify right side
11,423,693.12x = 102,904,496,698,279.53 - Step 5: Solve for x
x = 102,904,496,698,279.53/11,423,693.12 - Step 6: Final answer
x = 9,007,988.54
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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.