Finding the Fourth Proportional to 58,362,729.59, 87,542,698.34 and 18,970,933.64
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Solution
The fourth proportional to 58,362,729.59, 87,542,698.34 and 18,970,933.64 is: 28,455,946.66
Step by Step Solution
- Step 1: Write the proportion equation
58,362,729.59 : 87,542,698.34 = 18,970,933.64 : x - Step 2: Convert to fraction form
58,362,729.59/87,542,698.34 = 18,970,933.64/x - Step 3: Cross multiply
58,362,729.59x = 87,542,698.34 × 18,970,933.64 - Step 4: Simplify right side
58,362,729.59x = 1,660,766,720,484,392.25 - Step 5: Solve for x
x = 1,660,766,720,484,392.25/58,362,729.59 - Step 6: Final answer
x = 28,455,946.66
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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.