Finding the Fourth Proportional to 10,588,492.80, 15,851,246.40 and 6,326,467.20
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Solution
The fourth proportional to 10,588,492.80, 15,851,246.40 and 6,326,467.20 is: 9,470,884.32
Step by Step Solution
- Step 1: Write the proportion equation
10,588,492.80 : 15,851,246.40 = 6,326,467.20 : x - Step 2: Convert to fraction form
10,588,492.80/15,851,246.40 = 6,326,467.20/x - Step 3: Cross multiply
10,588,492.80x = 15,851,246.40 × 6,326,467.20 - Step 4: Simplify right side
10,588,492.80x = 100,282,390,428,718.08 - Step 5: Solve for x
x = 100,282,390,428,718.08/10,588,492.80 - Step 6: Final answer
x = 9,470,884.32
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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.