Finding the Fourth Proportional to 28,135,456.71, 38,826,096.35 and 15,577,071.06
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Solution
The fourth proportional to 28,135,456.71, 38,826,096.35 and 15,577,071.06 is: 21,495,896.37
Step by Step Solution
- Step 1: Write the proportion equation
28,135,456.71 : 38,826,096.35 = 15,577,071.06 : x - Step 2: Convert to fraction form
28,135,456.71/38,826,096.35 = 15,577,071.06/x - Step 3: Cross multiply
28,135,456.71x = 38,826,096.35 × 15,577,071.06 - Step 4: Simplify right side
28,135,456.71x = 604,796,861,748,471.25 - Step 5: Solve for x
x = 604,796,861,748,471.25/28,135,456.71 - Step 6: Final answer
x = 21,495,896.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.