Finding the Fourth Proportional to 11,059,970.21, 16,597,478.59 and 6,787,097.09
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Solution
The fourth proportional to 11,059,970.21, 16,597,478.59 and 6,787,097.09 is: 10,185,262.39
Step by Step Solution
- Step 1: Write the proportion equation
11,059,970.21 : 16,597,478.59 = 6,787,097.09 : x - Step 2: Convert to fraction form
11,059,970.21/16,597,478.59 = 6,787,097.09/x - Step 3: Cross multiply
11,059,970.21x = 16,597,478.59 × 6,787,097.09 - Step 4: Simplify right side
11,059,970.21x = 112,648,698,639,989.14 - Step 5: Solve for x
x = 112,648,698,639,989.14/11,059,970.21 - Step 6: Final answer
x = 10,185,262.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.