Finding the Fourth Proportional to 18,946,720.13, 26,146,455.35 and 10,244,871.90
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Solution
The fourth proportional to 18,946,720.13, 26,146,455.35 and 10,244,871.90 is: 14,137,913.26
Step by Step Solution
- Step 1: Write the proportion equation
18,946,720.13 : 26,146,455.35 = 10,244,871.90 : x - Step 2: Convert to fraction form
18,946,720.13/26,146,455.35 = 10,244,871.90/x - Step 3: Cross multiply
18,946,720.13x = 26,146,455.35 × 10,244,871.90 - Step 4: Simplify right side
18,946,720.13x = 267,867,085,648,595.31 - Step 5: Solve for x
x = 267,867,085,648,595.31/18,946,720.13 - Step 6: Final answer
x = 14,137,913.26
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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.