Finding the Fourth Proportional to 8,539,193.32, 11,784,366.13 and 4,671,624.76
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Solution
The fourth proportional to 8,539,193.32, 11,784,366.13 and 4,671,624.76 is: 6,446,994.99
Step by Step Solution
- Step 1: Write the proportion equation
8,539,193.32 : 11,784,366.13 = 4,671,624.76 : x - Step 2: Convert to fraction form
8,539,193.32/11,784,366.13 = 4,671,624.76/x - Step 3: Cross multiply
8,539,193.32x = 11,784,366.13 × 4,671,624.76 - Step 4: Simplify right side
8,539,193.32x = 55,052,136,593,813.38 - Step 5: Solve for x
x = 55,052,136,593,813.38/8,539,193.32 - Step 6: Final answer
x = 6,446,994.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.