Finding the Fourth Proportional to 18,574,899.84, 27,864,565.65 and 8,983,386.18
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Solution
The fourth proportional to 18,574,899.84, 27,864,565.65 and 8,983,386.18 is: 13,476,150.94
Step by Step Solution
- Step 1: Write the proportion equation
18,574,899.84 : 27,864,565.65 = 8,983,386.18 : x - Step 2: Convert to fraction form
18,574,899.84/27,864,565.65 = 8,983,386.18/x - Step 3: Cross multiply
18,574,899.84x = 27,864,565.65 × 8,983,386.18 - Step 4: Simplify right side
18,574,899.84x = 250,318,153,971,912.69 - Step 5: Solve for x
x = 250,318,153,971,912.69/18,574,899.84 - Step 6: Final answer
x = 13,476,150.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.