Finding the Fourth Proportional to 19,894,441.97, 29,841,661.34 and 5,517,509.58
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Solution
The fourth proportional to 19,894,441.97, 29,841,661.34 and 5,517,509.58 is: 8,276,263.92
Step by Step Solution
- Step 1: Write the proportion equation
19,894,441.97 : 29,841,661.34 = 5,517,509.58 : x - Step 2: Convert to fraction form
19,894,441.97/29,841,661.34 = 5,517,509.58/x - Step 3: Cross multiply
19,894,441.97x = 29,841,661.34 × 5,517,509.58 - Step 4: Simplify right side
19,894,441.97x = 164,651,652,298,978.09 - Step 5: Solve for x
x = 164,651,652,298,978.09/19,894,441.97 - Step 6: Final answer
x = 8,276,263.92
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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.