Finding the Fourth Proportional to 6,357,752.80, 9,536,629.20 and 5,664,911.20
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Solution
The fourth proportional to 6,357,752.80, 9,536,629.20 and 5,664,911.20 is: 8,497,366.80
Step by Step Solution
- Step 1: Write the proportion equation
6,357,752.80 : 9,536,629.20 = 5,664,911.20 : x - Step 2: Convert to fraction form
6,357,752.80/9,536,629.20 = 5,664,911.20/x - Step 3: Cross multiply
6,357,752.80x = 9,536,629.20 × 5,664,911.20 - Step 4: Simplify right side
6,357,752.80x = 54,024,157,565,327.04 - Step 5: Solve for x
x = 54,024,157,565,327.04/6,357,752.80 - Step 6: Final answer
x = 8,497,366.80
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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.