Finding the Fourth Proportional to 8,745,202.18, 12,068,400.09 and 4,877,973.82
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Solution
The fourth proportional to 8,745,202.18, 12,068,400.09 and 4,877,973.82 is: 6,731,615.63
Step by Step Solution
- Step 1: Write the proportion equation
8,745,202.18 : 12,068,400.09 = 4,877,973.82 : x - Step 2: Convert to fraction form
8,745,202.18/12,068,400.09 = 4,877,973.82/x - Step 3: Cross multiply
8,745,202.18x = 12,068,400.09 × 4,877,973.82 - Step 4: Simplify right side
8,745,202.18x = 58,869,339,688,305.65 - Step 5: Solve for x
x = 58,869,339,688,305.65/8,745,202.18 - Step 6: Final answer
x = 6,731,615.63
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1.5x scale
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.