Finding the Fourth Proportional to 10,980,808.16, 15,154,073.72 and 6,332,865.08
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Solution
The fourth proportional to 10,980,808.16, 15,154,073.72 and 6,332,865.08 is: 8,739,675.89
Step by Step Solution
- Step 1: Write the proportion equation
10,980,808.16 : 15,154,073.72 = 6,332,865.08 : x - Step 2: Convert to fraction form
10,980,808.16/15,154,073.72 = 6,332,865.08/x - Step 3: Cross multiply
10,980,808.16x = 15,154,073.72 × 6,332,865.08 - Step 4: Simplify right side
10,980,808.16x = 95,968,704,281,133.70 - Step 5: Solve for x
x = 95,968,704,281,133.70/10,980,808.16 - Step 6: Final answer
x = 8,739,675.89
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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.