Finding the Fourth Proportional to 53,306,309.92, 79,959,476.40 and 19,227,652.96
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Solution
The fourth proportional to 53,306,309.92, 79,959,476.40 and 19,227,652.96 is: 28,841,483.60
Step by Step Solution
- Step 1: Write the proportion equation
53,306,309.92 : 79,959,476.40 = 19,227,652.96 : x - Step 2: Convert to fraction form
53,306,309.92/79,959,476.40 = 19,227,652.96/x - Step 3: Cross multiply
53,306,309.92x = 79,959,476.40 × 19,227,652.96 - Step 4: Simplify right side
53,306,309.92x = 1,537,433,063,082,510.25 - Step 5: Solve for x
x = 1,537,433,063,082,510.25/53,306,309.92 - Step 6: Final answer
x = 28,841,483.60
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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.