Finding the Fourth Proportional to 8,736,165.20, 13,104,247.80 and 4,484,637.20
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Solution
The fourth proportional to 8,736,165.20, 13,104,247.80 and 4,484,637.20 is: 6,726,955.80
Step by Step Solution
- Step 1: Write the proportion equation
8,736,165.20 : 13,104,247.80 = 4,484,637.20 : x - Step 2: Convert to fraction form
8,736,165.20/13,104,247.80 = 4,484,637.20/x - Step 3: Cross multiply
8,736,165.20x = 13,104,247.80 × 4,484,637.20 - Step 4: Simplify right side
8,736,165.20x = 58,767,797,161,898.16 - Step 5: Solve for x
x = 58,767,797,161,898.16/8,736,165.20 - Step 6: Final answer
x = 6,726,955.80
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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.