Finding the Fourth Proportional to 9,515,707.23, 13,131,642.74 and 5,164,793.31
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Solution
The fourth proportional to 9,515,707.23, 13,131,642.74 and 5,164,793.31 is: 7,127,396.72
Step by Step Solution
- Step 1: Write the proportion equation
9,515,707.23 : 13,131,642.74 = 5,164,793.31 : x - Step 2: Convert to fraction form
9,515,707.23/13,131,642.74 = 5,164,793.31/x - Step 3: Cross multiply
9,515,707.23x = 13,131,642.74 × 5,164,793.31 - Step 4: Simplify right side
9,515,707.23x = 67,822,220,547,038.09 - Step 5: Solve for x
x = 67,822,220,547,038.09/9,515,707.23 - Step 6: Final answer
x = 7,127,396.72
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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.