Finding the Fourth Proportional to 18,569,736.52, 27,852,953.58 and 6,438,928.66
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Solution
The fourth proportional to 18,569,736.52, 27,852,953.58 and 6,438,928.66 is: 9,657,820.45
Step by Step Solution
- Step 1: Write the proportion equation
18,569,736.52 : 27,852,953.58 = 6,438,928.66 : x - Step 2: Convert to fraction form
18,569,736.52/27,852,953.58 = 6,438,928.66/x - Step 3: Cross multiply
18,569,736.52x = 27,852,953.58 × 6,438,928.66 - Step 4: Simplify right side
18,569,736.52x = 179,343,181,071,911.59 - Step 5: Solve for x
x = 179,343,181,071,911.59/18,569,736.52 - Step 6: Final answer
x = 9,657,820.45
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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.