Finding the Fourth Proportional to 19,952,558.32, 27,534,518.30 and 10,785,201.07
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Solution
The fourth proportional to 19,952,558.32, 27,534,518.30 and 10,785,201.07 is: 14,883,570.89
Step by Step Solution
- Step 1: Write the proportion equation
19,952,558.32 : 27,534,518.30 = 10,785,201.07 : x - Step 2: Convert to fraction form
19,952,558.32/27,534,518.30 = 10,785,201.07/x - Step 3: Cross multiply
19,952,558.32x = 27,534,518.30 × 10,785,201.07 - Step 4: Simplify right side
19,952,558.32x = 296,965,316,231,094.62 - Step 5: Solve for x
x = 296,965,316,231,094.62/19,952,558.32 - Step 6: Final answer
x = 14,883,570.89
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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.