Finding the Fourth Proportional to 13,105,644.68, 19,661,304.76 and 5,018,620.68
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Solution
The fourth proportional to 13,105,644.68, 19,661,304.76 and 5,018,620.68 is: 7,529,017.69
Step by Step Solution
- Step 1: Write the proportion equation
13,105,644.68 : 19,661,304.76 = 5,018,620.68 : x - Step 2: Convert to fraction form
13,105,644.68/19,661,304.76 = 5,018,620.68/x - Step 3: Cross multiply
13,105,644.68x = 19,661,304.76 × 5,018,620.68 - Step 4: Simplify right side
13,105,644.68x = 98,672,630,651,771.88 - Step 5: Solve for x
x = 98,672,630,651,771.88/13,105,644.68 - Step 6: Final answer
x = 7,529,017.69
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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.