Finding the Fourth Proportional to 8,675,536.10, 12,935,742.45 and 8,437,181.67
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Solution
The fourth proportional to 8,675,536.10, 12,935,742.45 and 8,437,181.67 is: 12,580,341.77
Step by Step Solution
- Step 1: Write the proportion equation
8,675,536.10 : 12,935,742.45 = 8,437,181.67 : x - Step 2: Convert to fraction form
8,675,536.10/12,935,742.45 = 8,437,181.67/x - Step 3: Cross multiply
8,675,536.10x = 12,935,742.45 × 8,437,181.67 - Step 4: Simplify right side
8,675,536.10x = 109,141,209,086,980.89 - Step 5: Solve for x
x = 109,141,209,086,980.89/8,675,536.10 - Step 6: Final answer
x = 12,580,341.77
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.