Finding the Fourth Proportional to 8,309,835.74, 12,441,798.29 and 4,257,598.11
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Solution
The fourth proportional to 8,309,835.74, 12,441,798.29 and 4,257,598.11 is: 6,374,635.86
Step by Step Solution
- Step 1: Write the proportion equation
8,309,835.74 : 12,441,798.29 = 4,257,598.11 : x - Step 2: Convert to fraction form
8,309,835.74/12,441,798.29 = 4,257,598.11/x - Step 3: Cross multiply
8,309,835.74x = 12,441,798.29 × 4,257,598.11 - Step 4: Simplify right side
8,309,835.74x = 52,972,176,863,217.25 - Step 5: Solve for x
x = 52,972,176,863,217.25/8,309,835.74 - Step 6: Final answer
x = 6,374,635.86
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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.