Finding the Fourth Proportional to 14,321,262.05, 19,763,769.33 and 8,817,811.86
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Solution
The fourth proportional to 14,321,262.05, 19,763,769.33 and 8,817,811.86 is: 12,168,843.71
Step by Step Solution
- Step 1: Write the proportion equation
14,321,262.05 : 19,763,769.33 = 8,817,811.86 : x - Step 2: Convert to fraction form
14,321,262.05/19,763,769.33 = 8,817,811.86/x - Step 3: Cross multiply
14,321,262.05x = 19,763,769.33 × 8,817,811.86 - Step 4: Simplify right side
14,321,262.05x = 174,273,199,596,378.22 - Step 5: Solve for x
x = 174,273,199,596,378.22/14,321,262.05 - Step 6: Final answer
x = 12,168,843.71
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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.