Finding the Fourth Proportional to 14,998,266.99, 20,697,634.62 and 8,122,749.12
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Solution
The fourth proportional to 14,998,266.99, 20,697,634.62 and 8,122,749.12 is: 11,209,407.96
Step by Step Solution
- Step 1: Write the proportion equation
14,998,266.99 : 20,697,634.62 = 8,122,749.12 : x - Step 2: Convert to fraction form
14,998,266.99/20,697,634.62 = 8,122,749.12/x - Step 3: Cross multiply
14,998,266.99x = 20,697,634.62 × 8,122,749.12 - Step 4: Simplify right side
14,998,266.99x = 168,121,693,395,686.53 - Step 5: Solve for x
x = 168,121,693,395,686.53/14,998,266.99 - Step 6: Final answer
x = 11,209,407.96
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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.