Finding the Fourth Proportional to 8,583,424.60, 12,875,136.90 and 5,746,739.80
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Solution
The fourth proportional to 8,583,424.60, 12,875,136.90 and 5,746,739.80 is: 8,620,109.70
Step by Step Solution
- Step 1: Write the proportion equation
8,583,424.60 : 12,875,136.90 = 5,746,739.80 : x - Step 2: Convert to fraction form
8,583,424.60/12,875,136.90 = 5,746,739.80/x - Step 3: Cross multiply
8,583,424.60x = 12,875,136.90 × 5,746,739.80 - Step 4: Simplify right side
8,583,424.60x = 73,990,061,653,678.62 - Step 5: Solve for x
x = 73,990,061,653,678.62/8,583,424.60 - Step 6: Final answer
x = 8,620,109.70
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1.5x scale
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.