Finding the Fourth Proportional to 20,590,089.62, 30,885,353.13 and 6,213,283.79
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Solution
The fourth proportional to 20,590,089.62, 30,885,353.13 and 6,213,283.79 is: 9,319,991.68
Step by Step Solution
- Step 1: Write the proportion equation
20,590,089.62 : 30,885,353.13 = 6,213,283.79 : x - Step 2: Convert to fraction form
20,590,089.62/30,885,353.13 = 6,213,283.79/x - Step 3: Cross multiply
20,590,089.62x = 30,885,353.13 × 6,213,283.79 - Step 4: Simplify right side
20,590,089.62x = 191,899,463,951,054.75 - Step 5: Solve for x
x = 191,899,463,951,054.75/20,590,089.62 - Step 6: Final answer
x = 9,319,991.68
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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.