Finding the Fourth Proportional to 16,180,720.40, 24,239,587.80 and 8,979,366.80
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Solution
The fourth proportional to 16,180,720.40, 24,239,587.80 and 8,979,366.80 is: 13,451,573.51
Step by Step Solution
- Step 1: Write the proportion equation
16,180,720.40 : 24,239,587.80 = 8,979,366.80 : x - Step 2: Convert to fraction form
16,180,720.40/24,239,587.80 = 8,979,366.80/x - Step 3: Cross multiply
16,180,720.40x = 24,239,587.80 × 8,979,366.80 - Step 4: Simplify right side
16,180,720.40x = 217,656,149,937,005.06 - Step 5: Solve for x
x = 217,656,149,937,005.06/16,180,720.40 - Step 6: Final answer
x = 13,451,573.51
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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.