Finding the Fourth Proportional to 10,865,908.05, 14,991,683.07 and 6,513,406.26
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Solution
The fourth proportional to 10,865,908.05, 14,991,683.07 and 6,513,406.26 is: 8,986,540.46
Step by Step Solution
- Step 1: Write the proportion equation
10,865,908.05 : 14,991,683.07 = 6,513,406.26 : x - Step 2: Convert to fraction form
10,865,908.05/14,991,683.07 = 6,513,406.26/x - Step 3: Cross multiply
10,865,908.05x = 14,991,683.07 × 6,513,406.26 - Step 4: Simplify right side
10,865,908.05x = 97,646,922,356,074.02 - Step 5: Solve for x
x = 97,646,922,356,074.02/10,865,908.05 - Step 6: Final answer
x = 8,986,540.46
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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.