Finding the Fourth Proportional to 9,821,671.12, 13,554,212.11 and 5,636,122.48
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Solution
The fourth proportional to 9,821,671.12, 13,554,212.11 and 5,636,122.48 is: 7,778,024.60
Step by Step Solution
- Step 1: Write the proportion equation
9,821,671.12 : 13,554,212.11 = 5,636,122.48 : x - Step 2: Convert to fraction form
9,821,671.12/13,554,212.11 = 5,636,122.48/x - Step 3: Cross multiply
9,821,671.12x = 13,554,212.11 × 5,636,122.48 - Step 4: Simplify right side
9,821,671.12x = 76,393,199,571,859.23 - Step 5: Solve for x
x = 76,393,199,571,859.23/9,821,671.12 - Step 6: Final answer
x = 7,778,024.60
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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.