Finding the Fourth Proportional to 28,135,455.14, 38,826,094.17 and 15,577,069.49
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Solution
The fourth proportional to 28,135,455.14, 38,826,094.17 and 15,577,069.49 is: 21,495,894.20
Step by Step Solution
- Step 1: Write the proportion equation
28,135,455.14 : 38,826,094.17 = 15,577,069.49 : x - Step 2: Convert to fraction form
28,135,455.14/38,826,094.17 = 15,577,069.49/x - Step 3: Cross multiply
28,135,455.14x = 38,826,094.17 × 15,577,069.49 - Step 4: Simplify right side
28,135,455.14x = 604,796,766,717,243.38 - Step 5: Solve for x
x = 604,796,766,717,243.38/28,135,455.14 - Step 6: Final answer
x = 21,495,894.20
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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.