Finding the Fourth Proportional to 16,731,982.13, 23,089,617.05 and 9,289,483.02
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Solution
The fourth proportional to 16,731,982.13, 23,089,617.05 and 9,289,483.02 is: 12,819,198.82
Step by Step Solution
- Step 1: Write the proportion equation
16,731,982.13 : 23,089,617.05 = 9,289,483.02 : x - Step 2: Convert to fraction form
16,731,982.13/23,089,617.05 = 9,289,483.02/x - Step 3: Cross multiply
16,731,982.13x = 23,089,617.05 × 9,289,483.02 - Step 4: Simplify right side
16,731,982.13x = 214,490,605,477,830.09 - Step 5: Solve for x
x = 214,490,605,477,830.09/16,731,982.13 - Step 6: Final answer
x = 12,819,198.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.