Finding the Fourth Proportional to 7,136,377.48, 9,848,210.43 and 3,873,192.21
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Solution
The fourth proportional to 7,136,377.48, 9,848,210.43 and 3,873,192.21 is: 5,345,010.41
Step by Step Solution
- Step 1: Write the proportion equation
7,136,377.48 : 9,848,210.43 = 3,873,192.21 : x - Step 2: Convert to fraction form
7,136,377.48/9,848,210.43 = 3,873,192.21/x - Step 3: Cross multiply
7,136,377.48x = 9,848,210.43 × 3,873,192.21 - Step 4: Simplify right side
7,136,377.48x = 38,144,011,960,895.06 - Step 5: Solve for x
x = 38,144,011,960,895.06/7,136,377.48 - Step 6: Final answer
x = 5,345,010.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.