Finding the Fourth Proportional to 21,554,206.77, 32,336,457.81 and 7,177,399.14
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Solution
The fourth proportional to 21,554,206.77, 32,336,457.81 and 7,177,399.14 is: 10,767,812.84
Step by Step Solution
- Step 1: Write the proportion equation
21,554,206.77 : 32,336,457.81 = 7,177,399.14 : x - Step 2: Convert to fraction form
21,554,206.77/32,336,457.81 = 7,177,399.14/x - Step 3: Cross multiply
21,554,206.77x = 32,336,457.81 × 7,177,399.14 - Step 4: Simplify right side
21,554,206.77x = 232,091,664,476,140.25 - Step 5: Solve for x
x = 232,091,664,476,140.25/21,554,206.77 - Step 6: Final answer
x = 10,767,812.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.