Finding the Fourth Proportional to 14,931,996.10, 22,381,405.35 and 8,205,237.70
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Solution
The fourth proportional to 14,931,996.10, 22,381,405.35 and 8,205,237.70 is: 12,298,740.89
Step by Step Solution
- Step 1: Write the proportion equation
14,931,996.10 : 22,381,405.35 = 8,205,237.70 : x - Step 2: Convert to fraction form
14,931,996.10/22,381,405.35 = 8,205,237.70/x - Step 3: Cross multiply
14,931,996.10x = 22,381,405.35 × 8,205,237.70 - Step 4: Simplify right side
14,931,996.10x = 183,644,750,956,801.72 - Step 5: Solve for x
x = 183,644,750,956,801.72/14,931,996.10 - Step 6: Final answer
x = 12,298,740.89
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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.