Finding the Fourth Proportional to 9,747,649.49, 13,452,252.30 and 5,397,214.41
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Solution
The fourth proportional to 9,747,649.49, 13,452,252.30 and 5,397,214.41 is: 7,448,430.52
Step by Step Solution
- Step 1: Write the proportion equation
9,747,649.49 : 13,452,252.30 = 5,397,214.41 : x - Step 2: Convert to fraction form
9,747,649.49/13,452,252.30 = 5,397,214.41/x - Step 3: Cross multiply
9,747,649.49x = 13,452,252.30 × 5,397,214.41 - Step 4: Simplify right side
9,747,649.49x = 72,604,689,960,515.66 - Step 5: Solve for x
x = 72,604,689,960,515.66/9,747,649.49 - Step 6: Final answer
x = 7,448,430.52
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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.