Finding the Fourth Proportional to 13,129,405.94, 19,677,542.70 and 6,654,108.26
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Solution
The fourth proportional to 13,129,405.94, 19,677,542.70 and 6,654,108.26 is: 9,972,766.48
Step by Step Solution
- Step 1: Write the proportion equation
13,129,405.94 : 19,677,542.70 = 6,654,108.26 : x - Step 2: Convert to fraction form
13,129,405.94/19,677,542.70 = 6,654,108.26/x - Step 3: Cross multiply
13,129,405.94x = 19,677,542.70 × 6,654,108.26 - Step 4: Simplify right side
13,129,405.94x = 130,936,499,416,572.69 - Step 5: Solve for x
x = 130,936,499,416,572.69/13,129,405.94 - Step 6: Final answer
x = 9,972,766.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.