Finding the Fourth Proportional to 26,841,138.40, 40,228,132.56 and 21,138,842.08
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Solution
The fourth proportional to 26,841,138.40, 40,228,132.56 and 21,138,842.08 is: 31,681,820.97
Step by Step Solution
- Step 1: Write the proportion equation
26,841,138.40 : 40,228,132.56 = 21,138,842.08 : x - Step 2: Convert to fraction form
26,841,138.40/40,228,132.56 = 21,138,842.08/x - Step 3: Cross multiply
26,841,138.40x = 40,228,132.56 × 21,138,842.08 - Step 4: Simplify right side
26,841,138.40x = 850,376,141,359,146.12 - Step 5: Solve for x
x = 850,376,141,359,146.12/26,841,138.40 - Step 6: Final answer
x = 31,681,820.97
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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.