Finding the Fourth Proportional to 28,651,471.02, 42,950,189.76 and 14,260,934.49
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Solution
The fourth proportional to 28,651,471.02, 42,950,189.76 and 14,260,934.49 is: 21,377,954.45
Step by Step Solution
- Step 1: Write the proportion equation
28,651,471.02 : 42,950,189.76 = 14,260,934.49 : x - Step 2: Convert to fraction form
28,651,471.02/42,950,189.76 = 14,260,934.49/x - Step 3: Cross multiply
28,651,471.02x = 42,950,189.76 × 14,260,934.49 - Step 4: Simplify right side
28,651,471.02x = 612,509,842,500,428.75 - Step 5: Solve for x
x = 612,509,842,500,428.75/28,651,471.02 - Step 6: Final answer
x = 21,377,954.45
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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.