Finding the Fourth Proportional to 15,579,101.70, 23,368,652.55 and 15,579,101.70
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Solution
The fourth proportional to 15,579,101.70, 23,368,652.55 and 15,579,101.70 is: 23,368,652.55
Step by Step Solution
- Step 1: Write the proportion equation
15,579,101.70 : 23,368,652.55 = 15,579,101.70 : x - Step 2: Convert to fraction form
15,579,101.70/23,368,652.55 = 15,579,101.70/x - Step 3: Cross multiply
15,579,101.70x = 23,368,652.55 × 15,579,101.70 - Step 4: Simplify right side
15,579,101.70x = 364,062,614,668,414.31 - Step 5: Solve for x
x = 364,062,614,668,414.31/15,579,101.70 - Step 6: Final answer
x = 23,368,652.55
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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.