Finding the Fourth Proportional to 26,288,181.96, 39,436,756.56 and 11,720,387.40
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Solution
The fourth proportional to 26,288,181.96, 39,436,756.56 and 11,720,387.40 is: 17,582,580.09
Step by Step Solution
- Step 1: Write the proportion equation
26,288,181.96 : 39,436,756.56 = 11,720,387.40 : x - Step 2: Convert to fraction form
26,288,181.96/39,436,756.56 = 11,720,387.40/x - Step 3: Cross multiply
26,288,181.96x = 39,436,756.56 × 11,720,387.40 - Step 4: Simplify right side
26,288,181.96x = 462,214,064,682,691.38 - Step 5: Solve for x
x = 462,214,064,682,691.38/26,288,181.96 - Step 6: Final answer
x = 17,582,580.09
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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.