Finding the Fourth Proportional to 12,777,718.80, 19,157,124.60 and 6,038,259.60
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Solution
The fourth proportional to 12,777,718.80, 19,157,124.60 and 6,038,259.60 is: 9,052,921.99
Step by Step Solution
- Step 1: Write the proportion equation
12,777,718.80 : 19,157,124.60 = 6,038,259.60 : x - Step 2: Convert to fraction form
12,777,718.80/19,157,124.60 = 6,038,259.60/x - Step 3: Cross multiply
12,777,718.80x = 19,157,124.60 × 6,038,259.60 - Step 4: Simplify right side
12,777,718.80x = 115,675,691,524,346.16 - Step 5: Solve for x
x = 115,675,691,524,346.16/12,777,718.80 - Step 6: Final answer
x = 9,052,921.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.