Finding the Fourth Proportional to 11,229,818.64, 16,844,730.93 and 3,143,985.36
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Solution
The fourth proportional to 11,229,818.64, 16,844,730.93 and 3,143,985.36 is: 4,715,978.87
Step by Step Solution
- Step 1: Write the proportion equation
11,229,818.64 : 16,844,730.93 = 3,143,985.36 : x - Step 2: Convert to fraction form
11,229,818.64/16,844,730.93 = 3,143,985.36/x - Step 3: Cross multiply
11,229,818.64x = 16,844,730.93 × 3,143,985.36 - Step 4: Simplify right side
11,229,818.64x = 52,959,587,437,059.18 - Step 5: Solve for x
x = 52,959,587,437,059.18/11,229,818.64 - Step 6: Final answer
x = 4,715,978.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.