Finding the Fourth Proportional to 16,470,138.23, 22,728,792.92 and 9,128,445.36
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Solution
The fourth proportional to 16,470,138.23, 22,728,792.92 and 9,128,445.36 is: 12,597,255.80
Step by Step Solution
- Step 1: Write the proportion equation
16,470,138.23 : 22,728,792.92 = 9,128,445.36 : x - Step 2: Convert to fraction form
16,470,138.23/22,728,792.92 = 9,128,445.36/x - Step 3: Cross multiply
16,470,138.23x = 22,728,792.92 × 9,128,445.36 - Step 4: Simplify right side
16,470,138.23x = 207,478,544,280,154.62 - Step 5: Solve for x
x = 207,478,544,280,154.62/16,470,138.23 - Step 6: Final answer
x = 12,597,255.80
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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.