Finding the Fourth Proportional to 19,679,046.73, 27,157,128.09 and 10,977,782.92
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Solution
The fourth proportional to 19,679,046.73, 27,157,128.09 and 10,977,782.92 is: 15,149,364.75
Step by Step Solution
- Step 1: Write the proportion equation
19,679,046.73 : 27,157,128.09 = 10,977,782.92 : x - Step 2: Convert to fraction form
19,679,046.73/27,157,128.09 = 10,977,782.92/x - Step 3: Cross multiply
19,679,046.73x = 27,157,128.09 × 10,977,782.92 - Step 4: Simplify right side
19,679,046.73x = 298,125,056,793,594.75 - Step 5: Solve for x
x = 298,125,056,793,594.75/19,679,046.73 - Step 6: Final answer
x = 15,149,364.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.