Finding the Fourth Proportional to 8,119,756.04, 11,205,263.01 and 4,448,811.92
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Solution
The fourth proportional to 8,119,756.04, 11,205,263.01 and 4,448,811.92 is: 6,139,360.27
Step by Step Solution
- Step 1: Write the proportion equation
8,119,756.04 : 11,205,263.01 = 4,448,811.92 : x - Step 2: Convert to fraction form
8,119,756.04/11,205,263.01 = 4,448,811.92/x - Step 3: Cross multiply
8,119,756.04x = 11,205,263.01 × 4,448,811.92 - Step 4: Simplify right side
8,119,756.04x = 49,850,107,645,623.08 - Step 5: Solve for x
x = 49,850,107,645,623.08/8,119,756.04 - Step 6: Final answer
x = 6,139,360.27
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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.