Finding the Fourth Proportional to 10,355,492.58, 15,533,230.65 and 2,782,458.33
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Solution
The fourth proportional to 10,355,492.58, 15,533,230.65 and 2,782,458.33 is: 4,173,685.28
Step by Step Solution
- Step 1: Write the proportion equation
10,355,492.58 : 15,533,230.65 = 2,782,458.33 : x - Step 2: Convert to fraction form
10,355,492.58/15,533,230.65 = 2,782,458.33/x - Step 3: Cross multiply
10,355,492.58x = 15,533,230.65 × 2,782,458.33 - Step 4: Simplify right side
10,355,492.58x = 43,220,566,943,193.81 - Step 5: Solve for x
x = 43,220,566,943,193.81/10,355,492.58 - Step 6: Final answer
x = 4,173,685.28
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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.