Finding the Fourth Proportional to 14,340,420.96, 19,789,524.36 and 7,814,106.96
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Solution
The fourth proportional to 14,340,420.96, 19,789,524.36 and 7,814,106.96 is: 10,783,327.80
Step by Step Solution
- Step 1: Write the proportion equation
14,340,420.96 : 19,789,524.36 = 7,814,106.96 : x - Step 2: Convert to fraction form
14,340,420.96/19,789,524.36 = 7,814,106.96/x - Step 3: Cross multiply
14,340,420.96x = 19,789,524.36 × 7,814,106.96 - Step 4: Simplify right side
14,340,420.96x = 154,637,460,036,565.53 - Step 5: Solve for x
x = 154,637,460,036,565.53/14,340,420.96 - Step 6: Final answer
x = 10,783,327.80
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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.