Finding the Fourth Proportional to 13,838,415.84, 19,097,047.62 and 7,727,063.04
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Solution
The fourth proportional to 13,838,415.84, 19,097,047.62 and 7,727,063.04 is: 10,663,365.85
Step by Step Solution
- Step 1: Write the proportion equation
13,838,415.84 : 19,097,047.62 = 7,727,063.04 : x - Step 2: Convert to fraction form
13,838,415.84/19,097,047.62 = 7,727,063.04/x - Step 3: Cross multiply
13,838,415.84x = 19,097,047.62 × 7,727,063.04 - Step 4: Simplify right side
13,838,415.84x = 147,564,090,837,621.97 - Step 5: Solve for x
x = 147,564,090,837,621.97/13,838,415.84 - Step 6: Final answer
x = 10,663,365.85
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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.