Finding the Fourth Proportional to 10,956,098.96, 15,119,405.16 and 6,127,202.96
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Solution
The fourth proportional to 10,956,098.96, 15,119,405.16 and 6,127,202.96 is: 8,455,533.71
Step by Step Solution
- Step 1: Write the proportion equation
10,956,098.96 : 15,119,405.16 = 6,127,202.96 : x - Step 2: Convert to fraction form
10,956,098.96/15,119,405.16 = 6,127,202.96/x - Step 3: Cross multiply
10,956,098.96x = 15,119,405.16 × 6,127,202.96 - Step 4: Simplify right side
10,956,098.96x = 92,639,664,049,791.28 - Step 5: Solve for x
x = 92,639,664,049,791.28/10,956,098.96 - Step 6: Final answer
x = 8,455,533.71
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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.