Finding the Fourth Proportional to 26,420,512.35, 39,630,768.53 and 12,071,605.35
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Solution
The fourth proportional to 26,420,512.35, 39,630,768.53 and 12,071,605.35 is: 18,107,408.03
Step by Step Solution
- Step 1: Write the proportion equation
26,420,512.35 : 39,630,768.53 = 12,071,605.35 : x - Step 2: Convert to fraction form
26,420,512.35/39,630,768.53 = 12,071,605.35/x - Step 3: Cross multiply
26,420,512.35x = 39,630,768.53 × 12,071,605.35 - Step 4: Simplify right side
26,420,512.35x = 478,406,997,351,001.56 - Step 5: Solve for x
x = 478,406,997,351,001.56/26,420,512.35 - Step 6: Final answer
x = 18,107,408.03
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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.