Finding the Fourth Proportional to 39,438,528.17, 59,158,997.43 and 13,530,466.08
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Solution
The fourth proportional to 39,438,528.17, 59,158,997.43 and 13,530,466.08 is: 20,296,112.59
Step by Step Solution
- Step 1: Write the proportion equation
39,438,528.17 : 59,158,997.43 = 13,530,466.08 : x - Step 2: Convert to fraction form
39,438,528.17/59,158,997.43 = 13,530,466.08/x - Step 3: Cross multiply
39,438,528.17x = 59,158,997.43 × 13,530,466.08 - Step 4: Simplify right side
39,438,528.17x = 800,448,808,053,422.12 - Step 5: Solve for x
x = 800,448,808,053,422.12/39,438,528.17 - Step 6: Final answer
x = 20,296,112.59
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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.