Finding the Fourth Proportional to 7,136,995.68, 9,849,063.98 and 3,873,811.14
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Solution
The fourth proportional to 7,136,995.68, 9,849,063.98 and 3,873,811.14 is: 5,345,864.77
Step by Step Solution
- Step 1: Write the proportion equation
7,136,995.68 : 9,849,063.98 = 3,873,811.14 : x - Step 2: Convert to fraction form
7,136,995.68/9,849,063.98 = 3,873,811.14/x - Step 3: Cross multiply
7,136,995.68x = 9,849,063.98 × 3,873,811.14 - Step 4: Simplify right side
7,136,995.68x = 38,153,413,773,981.27 - Step 5: Solve for x
x = 38,153,413,773,981.27/7,136,995.68 - Step 6: Final answer
x = 5,345,864.77
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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.