Finding the Fourth Proportional to 15,163,288.71, 20,925,029.73 and 8,287,819.98
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Solution
The fourth proportional to 15,163,288.71, 20,925,029.73 and 8,287,819.98 is: 11,437,022.85
Step by Step Solution
- Step 1: Write the proportion equation
15,163,288.71 : 20,925,029.73 = 8,287,819.98 : x - Step 2: Convert to fraction form
15,163,288.71/20,925,029.73 = 8,287,819.98/x - Step 3: Cross multiply
15,163,288.71x = 20,925,029.73 × 8,287,819.98 - Step 4: Simplify right side
15,163,288.71x = 173,422,879,478,388.03 - Step 5: Solve for x
x = 173,422,879,478,388.03/15,163,288.71 - Step 6: Final answer
x = 11,437,022.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.