Finding the Fourth Proportional to 7,898,125.80, 11,847,188.70 and 6,551,808.60
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Solution
The fourth proportional to 7,898,125.80, 11,847,188.70 and 6,551,808.60 is: 9,827,712.90
Step by Step Solution
- Step 1: Write the proportion equation
7,898,125.80 : 11,847,188.70 = 6,551,808.60 : x - Step 2: Convert to fraction form
7,898,125.80/11,847,188.70 = 6,551,808.60/x - Step 3: Cross multiply
7,898,125.80x = 11,847,188.70 × 6,551,808.60 - Step 4: Simplify right side
7,898,125.80x = 77,620,512,810,482.81 - Step 5: Solve for x
x = 77,620,512,810,482.81/7,898,125.80 - Step 6: Final answer
x = 9,827,712.90
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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.