Finding the Fourth Proportional to 38,266,636.18, 57,423,869.12 and 15,547,533.44
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Solution
The fourth proportional to 38,266,636.18, 57,423,869.12 and 15,547,533.44 is: 23,331,016.64
Step by Step Solution
- Step 1: Write the proportion equation
38,266,636.18 : 57,423,869.12 = 15,547,533.44 : x - Step 2: Convert to fraction form
38,266,636.18/57,423,869.12 = 15,547,533.44/x - Step 3: Cross multiply
38,266,636.18x = 57,423,869.12 × 15,547,533.44 - Step 4: Simplify right side
38,266,636.18x = 892,799,525,397,383.25 - Step 5: Solve for x
x = 892,799,525,397,383.25/38,266,636.18 - Step 6: Final answer
x = 23,331,016.64
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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.