Finding the Fourth Proportional to 7,381,534.20, 11,072,301.30 and 6,184,807.80
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Solution
The fourth proportional to 7,381,534.20, 11,072,301.30 and 6,184,807.80 is: 9,277,211.70
Step by Step Solution
- Step 1: Write the proportion equation
7,381,534.20 : 11,072,301.30 = 6,184,807.80 : x - Step 2: Convert to fraction form
7,381,534.20/11,072,301.30 = 6,184,807.80/x - Step 3: Cross multiply
7,381,534.20x = 11,072,301.30 × 6,184,807.80 - Step 4: Simplify right side
7,381,534.20x = 68,480,055,444,190.14 - Step 5: Solve for x
x = 68,480,055,444,190.14/7,381,534.20 - Step 6: Final answer
x = 9,277,211.70
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1.5x scale
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.