Finding the Fourth Proportional to 10,178,374.08, 15,267,211.20 and 2,605,405.44
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Solution
The fourth proportional to 10,178,374.08, 15,267,211.20 and 2,605,405.44 is: 3,908,018.59
Step by Step Solution
- Step 1: Write the proportion equation
10,178,374.08 : 15,267,211.20 = 2,605,405.44 : x - Step 2: Convert to fraction form
10,178,374.08/15,267,211.20 = 2,605,405.44/x - Step 3: Cross multiply
10,178,374.08x = 15,267,211.20 × 2,605,405.44 - Step 4: Simplify right side
10,178,374.08x = 39,777,275,114,108.92 - Step 5: Solve for x
x = 39,777,275,114,108.92/10,178,374.08 - Step 6: Final answer
x = 3,908,018.59
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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.