Finding the Fourth Proportional to 13,548,811.19, 18,697,124.81 and 7,353,724.97
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Solution
The fourth proportional to 13,548,811.19, 18,697,124.81 and 7,353,724.97 is: 10,148,013.11
Step by Step Solution
- Step 1: Write the proportion equation
13,548,811.19 : 18,697,124.81 = 7,353,724.97 : x - Step 2: Convert to fraction form
13,548,811.19/18,697,124.81 = 7,353,724.97/x - Step 3: Cross multiply
13,548,811.19x = 18,697,124.81 × 7,353,724.97 - Step 4: Simplify right side
13,548,811.19x = 137,493,513,545,734.88 - Step 5: Solve for x
x = 137,493,513,545,734.88/13,548,811.19 - Step 6: Final answer
x = 10,148,013.11
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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.