Finding the Fourth Proportional to 26,207,922.20, 36,167,053.92 and 15,201,188.60
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Solution
The fourth proportional to 26,207,922.20, 36,167,053.92 and 15,201,188.60 is: 20,977,710.62
Step by Step Solution
- Step 1: Write the proportion equation
26,207,922.20 : 36,167,053.92 = 15,201,188.60 : x - Step 2: Convert to fraction form
26,207,922.20/36,167,053.92 = 15,201,188.60/x - Step 3: Cross multiply
26,207,922.20x = 36,167,053.92 × 15,201,188.60 - Step 4: Simplify right side
26,207,922.20x = 549,782,207,744,289.31 - Step 5: Solve for x
x = 549,782,207,744,289.31/26,207,922.20 - Step 6: Final answer
x = 20,977,710.62
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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.