Finding the Fourth Proportional to 16,470,994.75, 22,730,141.77 and 9,128,991.53
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Solution
The fourth proportional to 16,470,994.75, 22,730,141.77 and 9,128,991.53 is: 12,598,101.99
Step by Step Solution
- Step 1: Write the proportion equation
16,470,994.75 : 22,730,141.77 = 9,128,991.53 : x - Step 2: Convert to fraction form
16,470,994.75/22,730,141.77 = 9,128,991.53/x - Step 3: Cross multiply
16,470,994.75x = 22,730,141.77 × 9,128,991.53 - Step 4: Simplify right side
16,470,994.75x = 207,503,271,728,032.09 - Step 5: Solve for x
x = 207,503,271,728,032.09/16,470,994.75 - Step 6: Final answer
x = 12,598,101.99
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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.