Finding the Fourth Proportional to 28,498,695.20, 42,685,057.20 and 11,450,592.80
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Solution
The fourth proportional to 28,498,695.20, 42,685,057.20 and 11,450,592.80 is: 17,150,581.99
Step by Step Solution
- Step 1: Write the proportion equation
28,498,695.20 : 42,685,057.20 = 11,450,592.80 : x - Step 2: Convert to fraction form
28,498,695.20/42,685,057.20 = 11,450,592.80/x - Step 3: Cross multiply
28,498,695.20x = 42,685,057.20 × 11,450,592.80 - Step 4: Simplify right side
28,498,695.20x = 488,769,208,641,908.25 - Step 5: Solve for x
x = 488,769,208,641,908.25/28,498,695.20 - Step 6: Final answer
x = 17,150,581.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.