Finding the Fourth Proportional to 11,111,876.44, 15,334,985.94 and 6,216,807.28
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Solution
The fourth proportional to 11,111,876.44, 15,334,985.94 and 6,216,807.28 is: 8,579,527.75
Step by Step Solution
- Step 1: Write the proportion equation
11,111,876.44 : 15,334,985.94 = 6,216,807.28 : x - Step 2: Convert to fraction form
11,111,876.44/15,334,985.94 = 6,216,807.28/x - Step 3: Cross multiply
11,111,876.44x = 15,334,985.94 × 6,216,807.28 - Step 4: Simplify right side
11,111,876.44x = 95,334,652,230,489.64 - Step 5: Solve for x
x = 95,334,652,230,489.64/11,111,876.44 - Step 6: Final answer
x = 8,579,527.75
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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.