Finding the Fourth Proportional to 22,385,603.20, 33,592,228.80 and 8,921,027.20
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Solution
The fourth proportional to 22,385,603.20, 33,592,228.80 and 8,921,027.20 is: 13,387,049.89
Step by Step Solution
- Step 1: Write the proportion equation
22,385,603.20 : 33,592,228.80 = 8,921,027.20 : x - Step 2: Convert to fraction form
22,385,603.20/33,592,228.80 = 8,921,027.20/x - Step 3: Cross multiply
22,385,603.20x = 33,592,228.80 × 8,921,027.20 - Step 4: Simplify right side
22,385,603.20x = 299,677,186,833,423.31 - Step 5: Solve for x
x = 299,677,186,833,423.31/22,385,603.20 - Step 6: Final answer
x = 13,387,049.89
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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.