Finding the Fourth Proportional to 29,228,447.70, 43,842,671.55 and 12,183,455.70
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Solution
The fourth proportional to 29,228,447.70, 43,842,671.55 and 12,183,455.70 is: 18,275,183.55
Step by Step Solution
- Step 1: Write the proportion equation
29,228,447.70 : 43,842,671.55 = 12,183,455.70 : x - Step 2: Convert to fraction form
29,228,447.70/43,842,671.55 = 12,183,455.70/x - Step 3: Cross multiply
29,228,447.70x = 43,842,671.55 × 12,183,455.70 - Step 4: Simplify right side
29,228,447.70x = 534,155,246,599,075.25 - Step 5: Solve for x
x = 534,155,246,599,075.25/29,228,447.70 - Step 6: Final answer
x = 18,275,183.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.