Finding the Fourth Proportional to 7,618,529.51, 10,513,053.14 and 4,180,991.98
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Solution
The fourth proportional to 7,618,529.51, 10,513,053.14 and 4,180,991.98 is: 5,769,484.88
Step by Step Solution
- Step 1: Write the proportion equation
7,618,529.51 : 10,513,053.14 = 4,180,991.98 : x - Step 2: Convert to fraction form
7,618,529.51/10,513,053.14 = 4,180,991.98/x - Step 3: Cross multiply
7,618,529.51x = 10,513,053.14 × 4,180,991.98 - Step 4: Simplify right side
7,618,529.51x = 43,954,990,827,125.18 - Step 5: Solve for x
x = 43,954,990,827,125.18/7,618,529.51 - Step 6: Final answer
x = 5,769,484.88
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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.