Finding the Fourth Proportional to 9,878,252.84, 14,798,206.81 and 7,279,838.55
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Solution
The fourth proportional to 9,878,252.84, 14,798,206.81 and 7,279,838.55 is: 10,905,628.57
Step by Step Solution
- Step 1: Write the proportion equation
9,878,252.84 : 14,798,206.81 = 7,279,838.55 : x - Step 2: Convert to fraction form
9,878,252.84/14,798,206.81 = 7,279,838.55/x - Step 3: Cross multiply
9,878,252.84x = 14,798,206.81 × 7,279,838.55 - Step 4: Simplify right side
9,878,252.84x = 107,728,556,415,410.31 - Step 5: Solve for x
x = 107,728,556,415,410.31/9,878,252.84 - Step 6: Final answer
x = 10,905,628.57
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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.