Finding the Fourth Proportional to 15,188,838.99, 22,780,688.76 and 4,256,512.53
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Solution
The fourth proportional to 15,188,838.99, 22,780,688.76 and 4,256,512.53 is: 6,384,048.66
Step by Step Solution
- Step 1: Write the proportion equation
15,188,838.99 : 22,780,688.76 = 4,256,512.53 : x - Step 2: Convert to fraction form
15,188,838.99/22,780,688.76 = 4,256,512.53/x - Step 3: Cross multiply
15,188,838.99x = 22,780,688.76 × 4,256,512.53 - Step 4: Simplify right side
15,188,838.99x = 96,966,287,148,970.17 - Step 5: Solve for x
x = 96,966,287,148,970.17/15,188,838.99 - Step 6: Final answer
x = 6,384,048.66
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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.