Finding the Fourth Proportional to 26,988,163.20, 37,244,085.12 and 14,765,224.32
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Solution
The fourth proportional to 26,988,163.20, 37,244,085.12 and 14,765,224.32 is: 20,376,239.29
Step by Step Solution
- Step 1: Write the proportion equation
26,988,163.20 : 37,244,085.12 = 14,765,224.32 : x - Step 2: Convert to fraction form
26,988,163.20/37,244,085.12 = 14,765,224.32/x - Step 3: Cross multiply
26,988,163.20x = 37,244,085.12 × 14,765,224.32 - Step 4: Simplify right side
26,988,163.20x = 549,917,271,389,974.06 - Step 5: Solve for x
x = 549,917,271,389,974.06/26,988,163.20 - Step 6: Final answer
x = 20,376,239.29
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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.