Finding the Fourth Proportional to 26,464,492.80, 39,696,739.20 and 22,212,964.80
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Solution
The fourth proportional to 26,464,492.80, 39,696,739.20 and 22,212,964.80 is: 33,319,447.20
Step by Step Solution
- Step 1: Write the proportion equation
26,464,492.80 : 39,696,739.20 = 22,212,964.80 : x - Step 2: Convert to fraction form
26,464,492.80/39,696,739.20 = 22,212,964.80/x - Step 3: Cross multiply
26,464,492.80x = 39,696,739.20 × 22,212,964.80 - Step 4: Simplify right side
26,464,492.80x = 881,782,270,524,380.25 - Step 5: Solve for x
x = 881,782,270,524,380.25/26,464,492.80 - Step 6: Final answer
x = 33,319,447.20
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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.