Finding the Fourth Proportional to 10,185,541.68, 15,278,090.58 and 4,791,202.11
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Solution
The fourth proportional to 10,185,541.68, 15,278,090.58 and 4,791,202.11 is: 7,186,698.77
Step by Step Solution
- Step 1: Write the proportion equation
10,185,541.68 : 15,278,090.58 = 4,791,202.11 : x - Step 2: Convert to fraction form
10,185,541.68/15,278,090.58 = 4,791,202.11/x - Step 3: Cross multiply
10,185,541.68x = 15,278,090.58 × 4,791,202.11 - Step 4: Simplify right side
10,185,541.68x = 73,200,419,823,667.12 - Step 5: Solve for x
x = 73,200,419,823,667.12/10,185,541.68 - Step 6: Final answer
x = 7,186,698.77
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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.