Finding the Fourth Proportional to 19,734,715.09, 29,599,811.40 and 5,163,041.32
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Solution
The fourth proportional to 19,734,715.09, 29,599,811.40 and 5,163,041.32 is: 7,743,970.39
Step by Step Solution
- Step 1: Write the proportion equation
19,734,715.09 : 29,599,811.40 = 5,163,041.32 : x - Step 2: Convert to fraction form
19,734,715.09/29,599,811.40 = 5,163,041.32/x - Step 3: Cross multiply
19,734,715.09x = 29,599,811.40 × 5,163,041.32 - Step 4: Simplify right side
19,734,715.09x = 152,825,049,380,294.06 - Step 5: Solve for x
x = 152,825,049,380,294.06/19,734,715.09 - Step 6: Final answer
x = 7,743,970.39
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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.