Finding the Fourth Proportional to 14,493,991.80, 21,743,730.90 and 4,779,162.84
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Solution
The fourth proportional to 14,493,991.80, 21,743,730.90 and 4,779,162.84 is: 7,169,648.79
Step by Step Solution
- Step 1: Write the proportion equation
14,493,991.80 : 21,743,730.90 = 4,779,162.84 : x - Step 2: Convert to fraction form
14,493,991.80/21,743,730.90 = 4,779,162.84/x - Step 3: Cross multiply
14,493,991.80x = 21,743,730.90 × 4,779,162.84 - Step 4: Simplify right side
14,493,991.80x = 103,916,830,720,239.75 - Step 5: Solve for x
x = 103,916,830,720,239.75/14,493,991.80 - Step 6: Final answer
x = 7,169,648.79
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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.