Finding the Fourth Proportional to 10,975,621.50, 15,145,955.52 and 6,329,602.44
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Solution
The fourth proportional to 10,975,621.50, 15,145,955.52 and 6,329,602.44 is: 8,734,619.45
Step by Step Solution
- Step 1: Write the proportion equation
10,975,621.50 : 15,145,955.52 = 6,329,602.44 : x - Step 2: Convert to fraction form
10,975,621.50/15,145,955.52 = 6,329,602.44/x - Step 3: Cross multiply
10,975,621.50x = 15,145,955.52 × 6,329,602.44 - Step 4: Simplify right side
10,975,621.50x = 95,867,877,015,523.47 - Step 5: Solve for x
x = 95,867,877,015,523.47/10,975,621.50 - Step 6: Final answer
x = 8,734,619.45
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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.