Finding the Fourth Proportional to 10,386,660.36, 15,566,062.68 and 8,083,934.76
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Solution
The fourth proportional to 10,386,660.36, 15,566,062.68 and 8,083,934.76 is: 12,115,062.09
Step by Step Solution
- Step 1: Write the proportion equation
10,386,660.36 : 15,566,062.68 = 8,083,934.76 : x - Step 2: Convert to fraction form
10,386,660.36/15,566,062.68 = 8,083,934.76/x - Step 3: Cross multiply
10,386,660.36x = 15,566,062.68 × 8,083,934.76 - Step 4: Simplify right side
10,386,660.36x = 125,835,035,175,190.75 - Step 5: Solve for x
x = 125,835,035,175,190.75/10,386,660.36 - Step 6: Final answer
x = 12,115,062.09
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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.