Finding the Fourth Proportional to 8,028,742.80, 11,079,368.70 and 4,357,580.56
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Solution
The fourth proportional to 8,028,742.80, 11,079,368.70 and 4,357,580.56 is: 6,013,300.32
Step by Step Solution
- Step 1: Write the proportion equation
8,028,742.80 : 11,079,368.70 = 4,357,580.56 : x - Step 2: Convert to fraction form
8,028,742.80/11,079,368.70 = 4,357,580.56/x - Step 3: Cross multiply
8,028,742.80x = 11,079,368.70 × 4,357,580.56 - Step 4: Simplify right side
8,028,742.80x = 48,279,241,664,192.46 - Step 5: Solve for x
x = 48,279,241,664,192.46/8,028,742.80 - Step 6: Final answer
x = 6,013,300.32
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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.