Finding the Fourth Proportional to 16,688,289.96, 25,042,964.94 and 7,103,652.84
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Solution
The fourth proportional to 16,688,289.96, 25,042,964.94 and 7,103,652.84 is: 10,659,961.53
Step by Step Solution
- Step 1: Write the proportion equation
16,688,289.96 : 25,042,964.94 = 7,103,652.84 : x - Step 2: Convert to fraction form
16,688,289.96/25,042,964.94 = 7,103,652.84/x - Step 3: Cross multiply
16,688,289.96x = 25,042,964.94 × 7,103,652.84 - Step 4: Simplify right side
16,688,289.96x = 177,896,529,018,051.44 - Step 5: Solve for x
x = 177,896,529,018,051.44/16,688,289.96 - Step 6: Final answer
x = 10,659,961.53
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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.