Finding the Fourth Proportional to 10,215,837.42, 15,319,247.92 and 2,927,643.11
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Solution
The fourth proportional to 10,215,837.42, 15,319,247.92 and 2,927,643.11 is: 4,390,172.71
Step by Step Solution
- Step 1: Write the proportion equation
10,215,837.42 : 15,319,247.92 = 2,927,643.11 : x - Step 2: Convert to fraction form
10,215,837.42/15,319,247.92 = 2,927,643.11/x - Step 3: Cross multiply
10,215,837.42x = 15,319,247.92 × 2,927,643.11 - Step 4: Simplify right side
10,215,837.42x = 44,849,290,596,901.66 - Step 5: Solve for x
x = 44,849,290,596,901.66/10,215,837.42 - Step 6: Final answer
x = 4,390,172.71
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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.