Finding the Fourth Proportional to 38,357,769.40, 57,569,313.30 and 15,654,959.80
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Solution
The fourth proportional to 38,357,769.40, 57,569,313.30 and 15,654,959.80 is: 23,495,768.90
Step by Step Solution
- Step 1: Write the proportion equation
38,357,769.40 : 57,569,313.30 = 15,654,959.80 : x - Step 2: Convert to fraction form
38,357,769.40/57,569,313.30 = 15,654,959.80/x - Step 3: Cross multiply
38,357,769.40x = 57,569,313.30 × 15,654,959.80 - Step 4: Simplify right side
38,357,769.40x = 901,245,285,425,105.38 - Step 5: Solve for x
x = 901,245,285,425,105.38/38,357,769.40 - Step 6: Final answer
x = 23,495,768.90
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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.