Finding the Fourth Proportional to 14,073,868.67, 19,411,924.28 and 12,916,054.62
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Solution
The fourth proportional to 14,073,868.67, 19,411,924.28 and 12,916,054.62 is: 17,814,964.75
Step by Step Solution
- Step 1: Write the proportion equation
14,073,868.67 : 19,411,924.28 = 12,916,054.62 : x - Step 2: Convert to fraction form
14,073,868.67/19,411,924.28 = 12,916,054.62/x - Step 3: Cross multiply
14,073,868.67x = 19,411,924.28 × 12,916,054.62 - Step 4: Simplify right side
14,073,868.67x = 250,725,474,215,203.88 - Step 5: Solve for x
x = 250,725,474,215,203.88/14,073,868.67 - Step 6: Final answer
x = 17,814,964.75
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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.