Finding the Fourth Proportional to 8,059,226.70, 12,088,840.05 and 7,315,209.30
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Solution
The fourth proportional to 8,059,226.70, 12,088,840.05 and 7,315,209.30 is: 10,972,813.95
Step by Step Solution
- Step 1: Write the proportion equation
8,059,226.70 : 12,088,840.05 = 7,315,209.30 : x - Step 2: Convert to fraction form
8,059,226.70/12,088,840.05 = 7,315,209.30/x - Step 3: Cross multiply
8,059,226.70x = 12,088,840.05 × 7,315,209.30 - Step 4: Simplify right side
8,059,226.70x = 88,432,395,159,972.47 - Step 5: Solve for x
x = 88,432,395,159,972.47/8,059,226.70 - Step 6: Final answer
x = 10,972,813.95
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Similar ratio
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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.