Finding the Fourth Proportional to 9,658,779.18, 13,328,846.64 and 5,307,864.18
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Solution
The fourth proportional to 9,658,779.18, 13,328,846.64 and 5,307,864.18 is: 7,324,704.95
Step by Step Solution
- Step 1: Write the proportion equation
9,658,779.18 : 13,328,846.64 = 5,307,864.18 : x - Step 2: Convert to fraction form
9,658,779.18/13,328,846.64 = 5,307,864.18/x - Step 3: Cross multiply
9,658,779.18x = 13,328,846.64 × 5,307,864.18 - Step 4: Simplify right side
9,658,779.18x = 70,747,707,641,169.36 - Step 5: Solve for x
x = 70,747,707,641,169.36/9,658,779.18 - Step 6: Final answer
x = 7,324,704.95
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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.