Finding the Fourth Proportional to 18,453,661.29, 27,686,414.66 and 8,869,734.81
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Solution
The fourth proportional to 18,453,661.29, 27,686,414.66 and 8,869,734.81 is: 13,307,448.96
Step by Step Solution
- Step 1: Write the proportion equation
18,453,661.29 : 27,686,414.66 = 8,869,734.81 : x - Step 2: Convert to fraction form
18,453,661.29/27,686,414.66 = 8,869,734.81/x - Step 3: Cross multiply
18,453,661.29x = 27,686,414.66 × 8,869,734.81 - Step 4: Simplify right side
18,453,661.29x = 245,571,155,829,547.66 - Step 5: Solve for x
x = 245,571,155,829,547.66/18,453,661.29 - Step 6: Final answer
x = 13,307,448.96
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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.