Finding the Fourth Proportional to 18,746,651.70, 28,119,977.55 and 5,968,448.10
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Solution
The fourth proportional to 18,746,651.70, 28,119,977.55 and 5,968,448.10 is: 8,952,672.15
Step by Step Solution
- Step 1: Write the proportion equation
18,746,651.70 : 28,119,977.55 = 5,968,448.10 : x - Step 2: Convert to fraction form
18,746,651.70/28,119,977.55 = 5,968,448.10/x - Step 3: Cross multiply
18,746,651.70x = 28,119,977.55 × 5,968,448.10 - Step 4: Simplify right side
18,746,651.70x = 167,832,626,580,340.16 - Step 5: Solve for x
x = 167,832,626,580,340.16/18,746,651.70 - Step 6: Final answer
x = 8,952,672.15
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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.