Finding the Fourth Proportional to 34,364,128.19, 47,423,483.19 and 20,953,579.50
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Solution
The fourth proportional to 34,364,128.19, 47,423,483.19 and 20,953,579.50 is: 28,916,541.09
Step by Step Solution
- Step 1: Write the proportion equation
34,364,128.19 : 47,423,483.19 = 20,953,579.50 : x - Step 2: Convert to fraction form
34,364,128.19/47,423,483.19 = 20,953,579.50/x - Step 3: Cross multiply
34,364,128.19x = 47,423,483.19 × 20,953,579.50 - Step 4: Simplify right side
34,364,128.19x = 993,691,724,846,693.38 - Step 5: Solve for x
x = 993,691,724,846,693.38/34,364,128.19 - Step 6: Final answer
x = 28,916,541.09
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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.