Finding the Fourth Proportional to 34,898,615.20, 48,159,148.14 and 19,428,701.20
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Solution
The fourth proportional to 34,898,615.20, 48,159,148.14 and 19,428,701.20 is: 26,811,083.88
Step by Step Solution
- Step 1: Write the proportion equation
34,898,615.20 : 48,159,148.14 = 19,428,701.20 : x - Step 2: Convert to fraction form
34,898,615.20/48,159,148.14 = 19,428,701.20/x - Step 3: Cross multiply
34,898,615.20x = 48,159,148.14 × 19,428,701.20 - Step 4: Simplify right side
34,898,615.20x = 935,669,699,258,595.75 - Step 5: Solve for x
x = 935,669,699,258,595.75/34,898,615.20 - Step 6: Final answer
x = 26,811,083.88
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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.