Finding the Fourth Proportional to 18,258,678.57, 27,344,547.57 and 10,566,107.76
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Solution
The fourth proportional to 18,258,678.57, 27,344,547.57 and 10,566,107.76 is: 15,824,005.84
Step by Step Solution
- Step 1: Write the proportion equation
18,258,678.57 : 27,344,547.57 = 10,566,107.76 : x - Step 2: Convert to fraction form
18,258,678.57/27,344,547.57 = 10,566,107.76/x - Step 3: Cross multiply
18,258,678.57x = 27,344,547.57 × 10,566,107.76 - Step 4: Simplify right side
18,258,678.57x = 288,925,436,273,066.12 - Step 5: Solve for x
x = 288,925,436,273,066.12/18,258,678.57 - Step 6: Final answer
x = 15,824,005.84
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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.