Finding the Fourth Proportional to 8,422,366.61, 12,633,552.14 and 2,357,991.58
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Solution
The fourth proportional to 8,422,366.61, 12,633,552.14 and 2,357,991.58 is: 3,536,987.99
Step by Step Solution
- Step 1: Write the proportion equation
8,422,366.61 : 12,633,552.14 = 2,357,991.58 : x - Step 2: Convert to fraction form
8,422,366.61/12,633,552.14 = 2,357,991.58/x - Step 3: Cross multiply
8,422,366.61x = 12,633,552.14 × 2,357,991.58 - Step 4: Simplify right side
8,422,366.61x = 29,789,809,571,610.98 - Step 5: Solve for x
x = 29,789,809,571,610.98/8,422,366.61 - Step 6: Final answer
x = 3,536,987.99
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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.