Finding the Fourth Proportional to 13,157,142.28, 19,697,229.04 and 7,675,476
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Solution
The fourth proportional to 13,157,142.28, 19,697,229.04 and 7,675,476 is: 11,490,763.39
Step by Step Solution
- Step 1: Write the proportion equation
13,157,142.28 : 19,697,229.04 = 7,675,476 : x - Step 2: Convert to fraction form
13,157,142.28/19,697,229.04 = 7,675,476/x - Step 3: Cross multiply
13,157,142.28x = 19,697,229.04 × 7,675,476 - Step 4: Simplify right side
13,157,142.28x = 151,185,608,763,023.03 - Step 5: Solve for x
x = 151,185,608,763,023.03/13,157,142.28 - Step 6: Final answer
x = 11,490,763.39
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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.