Finding the Fourth Proportional to 10,291,873.95, 14,202,808.02 and 5,645,697.17
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Solution
The fourth proportional to 10,291,873.95, 14,202,808.02 and 5,645,697.17 is: 7,791,074.14
Step by Step Solution
- Step 1: Write the proportion equation
10,291,873.95 : 14,202,808.02 = 5,645,697.17 : x - Step 2: Convert to fraction form
10,291,873.95/14,202,808.02 = 5,645,697.17/x - Step 3: Cross multiply
10,291,873.95x = 14,202,808.02 × 5,645,697.17 - Step 4: Simplify right side
10,291,873.95x = 80,184,752,973,553.27 - Step 5: Solve for x
x = 80,184,752,973,553.27/10,291,873.95 - Step 6: Final answer
x = 7,791,074.14
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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.