Finding the Fourth Proportional to 9,739,689.06, 13,437,506.94 and 5,609,637.48
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Solution
The fourth proportional to 9,739,689.06, 13,437,506.94 and 5,609,637.48 is: 7,739,419.82
Step by Step Solution
- Step 1: Write the proportion equation
9,739,689.06 : 13,437,506.94 = 5,609,637.48 : x - Step 2: Convert to fraction form
9,739,689.06/13,437,506.94 = 5,609,637.48/x - Step 3: Cross multiply
9,739,689.06x = 13,437,506.94 × 5,609,637.48 - Step 4: Simplify right side
9,739,689.06x = 75,379,542,568,384.11 - Step 5: Solve for x
x = 75,379,542,568,384.11/9,739,689.06 - Step 6: Final answer
x = 7,739,419.82
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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.