Finding the Fourth Proportional to 8,180,231.02, 11,294,727.87 and 5,281,315.18
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Solution
The fourth proportional to 8,180,231.02, 11,294,727.87 and 5,281,315.18 is: 7,292,094.52
Step by Step Solution
- Step 1: Write the proportion equation
8,180,231.02 : 11,294,727.87 = 5,281,315.18 : x - Step 2: Convert to fraction form
8,180,231.02/11,294,727.87 = 5,281,315.18/x - Step 3: Cross multiply
8,180,231.02x = 11,294,727.87 × 5,281,315.18 - Step 4: Simplify right side
8,180,231.02x = 59,651,017,753,800.06 - Step 5: Solve for x
x = 59,651,017,753,800.06/8,180,231.02 - Step 6: Final answer
x = 7,292,094.52
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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.