Finding the Fourth Proportional to 10,178,555.22, 15,267,823.11 and 2,605,508.82
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Solution
The fourth proportional to 10,178,555.22, 15,267,823.11 and 2,605,508.82 is: 3,908,260.74
Step by Step Solution
- Step 1: Write the proportion equation
10,178,555.22 : 15,267,823.11 = 2,605,508.82 : x - Step 2: Convert to fraction form
10,178,555.22/15,267,823.11 = 2,605,508.82/x - Step 3: Cross multiply
10,178,555.22x = 15,267,823.11 × 2,605,508.82 - Step 4: Simplify right side
10,178,555.22x = 39,780,447,775,304.83 - Step 5: Solve for x
x = 39,780,447,775,304.83/10,178,555.22 - Step 6: Final answer
x = 3,908,260.74
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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.