Finding the Fourth Proportional to 9,421,218.70, 14,131,828.05 and 8,791,362.70
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Solution
The fourth proportional to 9,421,218.70, 14,131,828.05 and 8,791,362.70 is: 13,187,044.05
Step by Step Solution
- Step 1: Write the proportion equation
9,421,218.70 : 14,131,828.05 = 8,791,362.70 : x - Step 2: Convert to fraction form
9,421,218.70/14,131,828.05 = 8,791,362.70/x - Step 3: Cross multiply
9,421,218.70x = 14,131,828.05 × 8,791,362.70 - Step 4: Simplify right side
9,421,218.70x = 124,238,026,001,583.73 - Step 5: Solve for x
x = 124,238,026,001,583.73/9,421,218.70 - Step 6: Final answer
x = 13,187,044.05
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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.