Finding the Fourth Proportional to 12,320,201.64, 18,478,890.44 and 3,223,177.08
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Solution
The fourth proportional to 12,320,201.64, 18,478,890.44 and 3,223,177.08 is: 4,834,396.21
Step by Step Solution
- Step 1: Write the proportion equation
12,320,201.64 : 18,478,890.44 = 3,223,177.08 : x - Step 2: Convert to fraction form
12,320,201.64/18,478,890.44 = 3,223,177.08/x - Step 3: Cross multiply
12,320,201.64x = 18,478,890.44 × 3,223,177.08 - Step 4: Simplify right side
12,320,201.64x = 59,560,736,130,039.12 - Step 5: Solve for x
x = 59,560,736,130,039.12/12,320,201.64 - Step 6: Final answer
x = 4,834,396.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.