Finding the Fourth Proportional to 20,364,774.05, 30,523,541.48 and 8,226,267.95
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Solution
The fourth proportional to 20,364,774.05, 30,523,541.48 and 8,226,267.95 is: 12,329,860.88
Step by Step Solution
- Step 1: Write the proportion equation
20,364,774.05 : 30,523,541.48 = 8,226,267.95 : x - Step 2: Convert to fraction form
20,364,774.05/30,523,541.48 = 8,226,267.95/x - Step 3: Cross multiply
20,364,774.05x = 30,523,541.48 × 8,226,267.95 - Step 4: Simplify right side
20,364,774.05x = 251,094,830,956,288.25 - Step 5: Solve for x
x = 251,094,830,956,288.25/20,364,774.05 - Step 6: Final answer
x = 12,329,860.88
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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.