Finding the Fourth Proportional to 26,088,381.81, 39,134,625.12 and 6,919,138.89
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Solution
The fourth proportional to 26,088,381.81, 39,134,625.12 and 6,919,138.89 is: 10,379,252.67
Step by Step Solution
- Step 1: Write the proportion equation
26,088,381.81 : 39,134,625.12 = 6,919,138.89 : x - Step 2: Convert to fraction form
26,088,381.81/39,134,625.12 = 6,919,138.89/x - Step 3: Cross multiply
26,088,381.81x = 39,134,625.12 × 6,919,138.89 - Step 4: Simplify right side
26,088,381.81x = 270,777,906,613,362.88 - Step 5: Solve for x
x = 270,777,906,613,362.88/26,088,381.81 - Step 6: Final answer
x = 10,379,252.67
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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.