Finding the Fourth Proportional to 56,173,669.80, 84,260,504.70 and 15,784,153.80
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Solution
The fourth proportional to 56,173,669.80, 84,260,504.70 and 15,784,153.80 is: 23,676,230.70
Step by Step Solution
- Step 1: Write the proportion equation
56,173,669.80 : 84,260,504.70 = 15,784,153.80 : x - Step 2: Convert to fraction form
56,173,669.80/84,260,504.70 = 15,784,153.80/x - Step 3: Cross multiply
56,173,669.80x = 84,260,504.70 × 15,784,153.80 - Step 4: Simplify right side
56,173,669.80x = 1,329,980,765,450,423 - Step 5: Solve for x
x = 1,329,980,765,450,423/56,173,669.80 - Step 6: Final answer
x = 23,676,230.70
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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.