Finding the Fourth Proportional to 26,380,346.62, 39,512,054.12 and 20,270,101.90
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Solution
The fourth proportional to 26,380,346.62, 39,512,054.12 and 20,270,101.90 is: 30,360,228.95
Step by Step Solution
- Step 1: Write the proportion equation
26,380,346.62 : 39,512,054.12 = 20,270,101.90 : x - Step 2: Convert to fraction form
26,380,346.62/39,512,054.12 = 20,270,101.90/x - Step 3: Cross multiply
26,380,346.62x = 39,512,054.12 × 20,270,101.90 - Step 4: Simplify right side
26,380,346.62x = 800,913,363,290,714.75 - Step 5: Solve for x
x = 800,913,363,290,714.75/26,380,346.62 - Step 6: Final answer
x = 30,360,228.95
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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.