Finding the Fourth Proportional to 23,579,719.92, 32,539,679.88 and 13,266,418.32
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Solution
The fourth proportional to 23,579,719.92, 32,539,679.88 and 13,266,418.32 is: 18,307,469.59
Step by Step Solution
- Step 1: Write the proportion equation
23,579,719.92 : 32,539,679.88 = 13,266,418.32 : x - Step 2: Convert to fraction form
23,579,719.92/32,539,679.88 = 13,266,418.32/x - Step 3: Cross multiply
23,579,719.92x = 32,539,679.88 × 13,266,418.32 - Step 4: Simplify right side
23,579,719.92x = 431,685,005,286,967.38 - Step 5: Solve for x
x = 431,685,005,286,967.38/23,579,719.92 - Step 6: Final answer
x = 18,307,469.59
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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.