Finding the Fourth Proportional to 11,922,643.98, 16,453,202.13 and 6,694,925.31
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Solution
The fourth proportional to 11,922,643.98, 16,453,202.13 and 6,694,925.31 is: 9,238,970.78
Step by Step Solution
- Step 1: Write the proportion equation
11,922,643.98 : 16,453,202.13 = 6,694,925.31 : x - Step 2: Convert to fraction form
11,922,643.98/16,453,202.13 = 6,694,925.31/x - Step 3: Cross multiply
11,922,643.98x = 16,453,202.13 × 6,694,925.31 - Step 4: Simplify right side
11,922,643.98x = 110,152,959,370,682.91 - Step 5: Solve for x
x = 110,152,959,370,682.91/11,922,643.98 - Step 6: Final answer
x = 9,238,970.78
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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.