Finding the Fourth Proportional to 38,386,944.61, 57,580,416.92 and 12,827,954.02
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Solution
The fourth proportional to 38,386,944.61, 57,580,416.92 and 12,827,954.02 is: 19,241,931.02
Step by Step Solution
- Step 1: Write the proportion equation
38,386,944.61 : 57,580,416.92 = 12,827,954.02 : x - Step 2: Convert to fraction form
38,386,944.61/57,580,416.92 = 12,827,954.02/x - Step 3: Cross multiply
38,386,944.61x = 57,580,416.92 × 12,827,954.02 - Step 4: Simplify right side
38,386,944.61x = 738,638,940,386,135.88 - Step 5: Solve for x
x = 738,638,940,386,135.88/38,386,944.61 - Step 6: Final answer
x = 19,241,931.02
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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.