Finding the Fourth Proportional to 14,292,750.62, 19,724,120.82 and 7,766,380.06
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Solution
The fourth proportional to 14,292,750.62, 19,724,120.82 and 7,766,380.06 is: 10,717,672.39
Step by Step Solution
- Step 1: Write the proportion equation
14,292,750.62 : 19,724,120.82 = 7,766,380.06 : x - Step 2: Convert to fraction form
14,292,750.62/19,724,120.82 = 7,766,380.06/x - Step 3: Cross multiply
14,292,750.62x = 19,724,120.82 × 7,766,380.06 - Step 4: Simplify right side
14,292,750.62x = 153,185,018,637,478.84 - Step 5: Solve for x
x = 153,185,018,637,478.84/14,292,750.62 - Step 6: Final answer
x = 10,717,672.39
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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.