Finding the Fourth Proportional to 8,257,652.48, 11,390,964.36 and 7,673,116.58
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Solution
The fourth proportional to 8,257,652.48, 11,390,964.36 and 7,673,116.58 is: 10,584,630.16
Step by Step Solution
- Step 1: Write the proportion equation
8,257,652.48 : 11,390,964.36 = 7,673,116.58 : x - Step 2: Convert to fraction form
8,257,652.48/11,390,964.36 = 7,673,116.58/x - Step 3: Cross multiply
8,257,652.48x = 11,390,964.36 × 7,673,116.58 - Step 4: Simplify right side
8,257,652.48x = 87,404,197,492,905.08 - Step 5: Solve for x
x = 87,404,197,492,905.08/8,257,652.48 - Step 6: Final answer
x = 10,584,630.16
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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.