Finding the Fourth Proportional to 10,156,967.39, 15,226,482.92 and 7,771,461.63
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Solution
The fourth proportional to 10,156,967.39, 15,226,482.92 and 7,771,461.63 is: 11,650,330.58
Step by Step Solution
- Step 1: Write the proportion equation
10,156,967.39 : 15,226,482.92 = 7,771,461.63 : x - Step 2: Convert to fraction form
10,156,967.39/15,226,482.92 = 7,771,461.63/x - Step 3: Cross multiply
10,156,967.39x = 15,226,482.92 × 7,771,461.63 - Step 4: Simplify right side
10,156,967.39x = 118,332,027,733,773.05 - Step 5: Solve for x
x = 118,332,027,733,773.05/10,156,967.39 - Step 6: Final answer
x = 11,650,330.58
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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.